What happens when you have a heart murmur?

What is a heart murmur?

Best Answer

A heart murmur is an unusual sound heard between heartbeats.

Murmurs may be harmless, also called innocent, or abnormal.

Harmless murmurs may not cause symptoms and can happen when blood flows more rapidly than normal through the heart such as during exercise, pregnancy, or rapid growth in children.

Routine doctor's exam detects heart murmur

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What happens when a dog has a heart murmur?

If, however, the murmur is associated with structural heart disease, your dog may display signs of congestive heart failure such as coughing, weakness, or exercise intolerance.

What does it mean if you have a heart murmur?

Heart Murmur. A heart murmur is an unusual sound heard between heartbeats. Murmurs may be harmless, also called innocent, or abnormal. Harmless murmurs may not cause symptoms and can happen when blood flows more rapidly than normal through the heart such as during exercise, pregnancy, or rapid growth in children.

What happens if a dog has a heart murmur?

If, however, the murmur is associated with structural heart disease, your dog may display signs of congestive heart failure such as coughing, weakness, or exercise intolerance.

What Is a Heart Murmur?

What happens if your dog has a heart murmur?

If, however, the murmur is associated with structural heart disease, your dog may display signs of congestive heart failure such as coughing, weakness, or exercise intolerance.

What happens if my dog has a heart murmur?

If, however, the murmur is associated with structural heart disease, your dog may display signs of congestive heart failure such as coughing, weakness, or exercise intolerance.

What happens if my baby has a heart murmur?

A heart murmur is an extra sound heard when a doctor listens with a stethoscope. This extra sound is created by turbulent blood flow. A heart murmur in children caused by turbulent blood flow can be either normal or abnormal: In normal heart murmurs, the flow can be heard pumping through the heart normally.

What happens if a puppy has a heart murmur?

The most common symptoms that are observed with a dog that has a clinically significant heart murmur are poor appetite, weight loss (or stunted growth in a puppy), breathing problems, often occurring in the middle of the night or after the dog has been lying down for a period of time, poor exercise tolerance, collapse

What's a heart murmur?

A heart murmur is an unusual sound heard between heartbeats. Murmurs sometimes sound like a whooshing or swishing noise. Murmurs may be harmless, also called innocent, or abnormal. If it is caused by a more serious heart condition, your doctor may recommend treatment for that heart condition.

When a Child Has a Heart Murmur - Dr. Nita Doshi

Can you drink alcohol if you have a heart murmur?

Regular or high alcohol use can hurt your heart and lead to diseases of the heart muscle, called cardiomyopathy. Drinking alcohol regularly also can raise your blood pressure.

How do you treat a heart murmur?

A heart murmur itself does not require treatment. If it is caused by a more serious heart condition, your doctor may recommend treatment for that heart condition. Treatment may include medicines, cardiac catheterization, or surgery.

What do you feed a dog with a heart murmur?

Potentially beneficial supplements Provide your pet a high-quality natural meat-based diet with at least 25-30% protein (DM basis) for dogs and 40% protein (DM basis) for cats. Make sure your pet LIKES the food. Mild to moderate salt (sodium) restriction can be achieved by many high quality commercial diets.

Can dogs with heart murmurs have surgery?

Heart murmurs are detected when a veterinarian listens to a dog's heart and hears a whooshing sound. Treatments can include surgery or addressing any underlying issues that may be causing the murmur.

Can you exercise with a heart murmur?

In most instances, people with murmurs have no symptoms. However, the most common symptoms experienced by athletes with significant valve disorders include shortness of breath or chest pain with activity and a decrease in exercise capacity.

What is a heart murmur and what can cause it?

Can heart murmurs kill you?

Can a heart murmur kill you? No, and neither will it cause a heart attack. So when someone has a heart attack, they may or may not have a murmur. But it is worth noting that a serious heart attack can damage the heart enough to lead to a heart murmur.

Can you die from a heart murmur?

It refers to the death of a section of heart muscle as a result of prolonged oxygen deprivation. A heart murmur is an abnormal sound emanating from the heart as a result of improper blood flow through the heart. A heart murmur will not cause a heart attack.

What is a heart murmur in dogs?

Heart murmurs are detected when a veterinarian listens to a dog's heart and hears a whooshing sound. It's not always a reason for concern, but it can be. In dogs, common causes include heart valve problems, heartworm disease, heart defects, tumors, or weakening of the heart muscle.

Is a heart murmur serious?

A person with an innocent murmur has a normal heart. An abnormal heart murmur is more serious. In children, abnormal murmurs are usually caused by congenital heart disease. In adults, abnormal murmurs are most often due to acquired heart valve problems.

Why do puppies have heart murmurs?

Causes of Systolic Murmurs in Dogs. Most heart murmurs are systolic. The most common cause of systolic murmurs is pulmonic stenosis or subaortic stenosis, which is a narrowing of the blood vessel that causes obstruction of the blood flow. Mitral and tricuspid heart failure.

Can dog with heart murmur have surgery?

Treatment depends on the cause of the heart murmur and your dog's condition. In some cases, such as when a heart murmur is caused by heartworm disease, treatment may resolve the heart murmur completely. If the murmur is caused by a congenital condition, surgery may be recommended.

Can you fix a heart murmur?

An innocent heart murmur generally doesn't require treatment because the heart is normal. If innocent murmurs are the result of an illness, such as fever or hyperthyroidism, the murmurs will go away once that condition is treated. If you or your child has an abnormal heart murmur, treatment may not be necessary.

Should you worry bout a heart murmur?

Heart murmurs in young people are often the first type of murmur—a "flow murmur" in which the chambers and valves are normal, but the blood flow still makes an audible sound. These murmurs can become louder with a faster heart rate, a fever, or anemia. The good news: they do not lead to any future heart problems.

Can a heart murmur make you dizzy?

Heart murmurs often don't carry any symptoms at all and are only discovered through the physician's ears during a stethoscope exam. When there are symptoms—such as shortness of breath, dizziness, or blackouts—they're often due to an underlying cause, such as damage to the heart valves.

Can a dog with a heart murmur have surgery?

Heart murmurs are detected when a veterinarian listens to a dog's heart and hears a whooshing sound. It's not always a reason for concern, but it can be. In dogs, common causes include heart valve problems, heartworm disease, heart defects, tumors, or weakening of the heart muscle.

Is a heart murmur genetic?

The risk for valve calcification increases with age. People who have rheumatic fever as children are more likely to have heart valve abnormalities in adulthood. Some causes for heart murmurs (e.g., cardiac myxoma, hypertrophic cardiomyopathy, congenital heart disease) have genetic (hereditary) risk factors.

What could a heart murmur mean?

A heart murmur is an unusual sound heard between heartbeats. Murmurs sometimes sound like a whooshing or swishing noise. Abnormal murmurs may be a sign of a more serious heart condition, such as a congenital heart defect that is present since birth or heart valve disease.

What does a heart murmur indicate?

A heart murmur is an unusual sound heard between heartbeats. Murmurs sometimes sound like a whooshing or swishing noise. Abnormal murmurs may be a sign of a more serious heart condition, such as a congenital heart defect that is present since birth or heart valve disease.

When should I be concerned about a heart murmur?

What Are the Signs of a Heart Murmur? Bluish skin color, especially on the fingers or lips. Chest pain. Dizziness or fainting. Excessive sweating unrelated to temperature or exercise. Poor eating and abnormal growth in children, especially in infants with congenital valve disease. Shortness of breath during exertion.

Is heart murmur serious?

A heart murmur isn't a disease — but murmurs may indicate an underlying heart problem. Often, heart murmurs are harmless (innocent) and don't need treatment. Some heart murmurs may require follow-up tests to be sure the murmur isn't caused by a serious underlying heart condition.

Are heart murmurs genetic?

The risk for valve calcification increases with age. People who have rheumatic fever as children are more likely to have heart valve abnormalities in adulthood. Some causes for heart murmurs (e.g., cardiac myxoma, hypertrophic cardiomyopathy, congenital heart disease) have genetic (hereditary) risk factors.

Can you breed a dog with a heart murmur?

However, if you are planning to breed your dog, or if your breeding line produces a lot of puppies with flow murmurs, the best way to confirm that there is no congenital heart disease present is for your dog to have a heart ultrasound (echocardiogram) preformed by a veterinary cardiologist.

Can you feel your own heart murmur?

A typical heart murmur sounds like a whooshing noise, and according to the American Heart Association (AHA), it usually feels like a very subtle extra pulse. Heart murmurs are common, especially among young children. They are usually normal and are called innocent heart murmurs.

Can you feel a heart murmur in your pulse?

You're familiar with the part in your annual physical when your doctor to listens to the steady thrum of your heartbeat through a stethoscope. A change in pulse can indicate a heart murmur or heart disease. If you have a heart murmur, your doctor may notice an extra sound as blood flows through your body.

How do they treat a heart murmur?

Diuretics remove excess fluid from your body, which can help treat other conditions that might worsen a heart murmur, such as high blood pressure. Angiotensin-converting enzyme (ACE) inhibitors. ACE inhibitors lower your blood pressure. High blood pressure can worsen underlying conditions that cause heart murmurs.

Can a heart murmur cause death?

A heart attack is properly called a myocardial infarction. It refers to the death of a section of heart muscle as a result of prolonged oxygen deprivation. A heart murmur is an abnormal sound emanating from the heart as a result of improper blood flow through the heart. A heart murmur will not cause a heart attack.

Can stress cause a heart murmur?

Excessive amounts of thyroid hormone affect heart function in a similar way to anaemia. Stress - emotional stress can sometimes interfere with the force of the heartbeat, increasing the blood flow (as happens with anaemia and hyperthyroidism).

Can a heart murmur cause chest pain?

A heart murmur itself does not causes symptoms. Most heart murmurs in well-developed children are harmless. In adults, heart abnormalities may cause chest pain, and heart failure with symptoms of shortness of breath and swelling of the extremities.

What medication is used for heart murmur?

When treatment is required, it varies depending on the cause of the murmur. A tight or leaky heart valve – Depending on the type of abnormality, angiotensin-converting enzyme (ACE) inhibitors, angiotensin receptor blockers and/or diuretics may be used to treat symptoms.

When should I worry about my baby's heart murmur?

Heart murmurs and infants. When do heart murmurs become a concern? When they occur very early at birth or during the first six months of life. These murmurs are not functional or innocent, and most likely they will require the attention of a pediatric cardiologist immediately.

Do heart murmurs make you tired?

A heart murmur is an extra or unusual sound that can be heard when your healthcare provider listens to your heart. The sound is a whooshing or swishing sound that is made as blood flows through the heart valves. Some of the conditions that can increase your heart rate or the amount of blood are: Anemia.

What happens when a dog dies of heart failure?

When the heart can't deliver enough blood to the body and fluid consequently backs up into a dog's lungs or abdomen, it's called congestive heart failure. A dog with congestive heart failure may cough, have trouble breathing, experience fatigue, loss of appetite, or might die suddenly.

What causes heart murmurs in dogs?

Heart murmurs are detected when a veterinarian listens to a dog's heart and hears a whooshing sound. It's not always a reason for concern, but it can be. In dogs, common causes include heart valve problems, heartworm disease, heart defects, tumors, or weakening of the heart muscle.

How do you know if a heart murmur is serious?

An abnormal heart murmur may cause no obvious other signs or symptoms, aside from the unusual sound your doctor hears when listening to your heart with a stethoscope. But if you have these signs or symptoms, they may indicate a heart problem: Skin that appears blue, especially on your fingertips and lips.

Are heart murmurs dangerous?

Innocent heart murmurs aren't dangerous and generally require no medical intervention. They can be caused by anemia, fever or hyperthyroidism, among other reasons. Chances are pretty good someone you know has or has had an innocent heart murmur.

Is heart murmur genetic?

The risk for valve calcification increases with age. People who have rheumatic fever as children are more likely to have heart valve abnormalities in adulthood. Some causes for heart murmurs (e.g., cardiac myxoma, hypertrophic cardiomyopathy, congenital heart disease) have genetic (hereditary) risk factors.

Can stress affect a heart murmur?

Excessive amounts of thyroid hormone affect heart function in a similar way to anaemia. Stress - emotional stress can sometimes interfere with the force of the heartbeat, increasing the blood flow (as happens with anaemia and hyperthyroidism).

Is a dog heart murmur serious?

Heart murmurs sound serious, and often are, but sometimes a heart murmur is classified as an innocent heart murmur. These heart murmurs are not serious and often resolve with time. They are most commonly found in young dogs and are typically a grade III or less.

What happens when a dog has an enlarged heart?

When a dog has DCM, the heart muscle expands and becomes enlarged, and at its worst, weak and unable to function. The loss of the ability to contract is the main component of the condition, affecting both sides of the heart.

Is it normal for puppies to have heart murmurs?

Heart murmurs sound serious, and often are, but sometimes a heart murmur is classified as an innocent heart murmur. These heart murmurs are not serious and often resolve with time. They are most commonly found in young dogs and are typically a grade III or less.

How do you treat a heart murmur naturally?

Water pills (diuretics). Diuretics remove excess fluid from your body, which can help treat other conditions that might worsen a heart murmur, such as high blood pressure. Angiotensin-converting enzyme (ACE) inhibitors. ACE inhibitors lower your blood pressure.

Can a heart murmur make you feel tired?

Heart Murmur. A heart murmur is an extra or unusual sound that can be heard when your healthcare provider listens to your heart. The sound is a whooshing or swishing sound that is made as blood flows through the heart valves. A heart valve that does not close properly, which may cause your blood to flow backwards.

Can you drink coffee with a heart murmur?

Caffeine Doesn't Cause Arrhythmias to Develop. There is no scientific evidence that caffeine causes heart arrhythmias in those with a healthy heart. Nor is there any evidence that drinking caffeinated beverages long-term will cause an arrhythmia to develop.

How dangerous are heart murmurs?

An abnormal heart murmur is more serious. In children, abnormal murmurs are usually caused by congenital heart disease. In adults, abnormal murmurs are most often due to acquired heart valve problems.

Can caffeine cause heart murmurs?

Although there is strong evidence associating coffee with heart disease, caffeine is a mild stimulant and, as such, can cause a small, temporary rise in blood pressure and heart rate. It can also trigger heartburn and upset stomach in some people.

How serious is a heart murmur?

A person with an innocent murmur has a normal heart. An abnormal heart murmur is more serious. In children, abnormal murmurs are usually caused by congenital heart disease. In adults, abnormal murmurs are most often due to acquired heart valve problems.

Can a heart murmur cause extreme tiredness?

Heart problems that cause heart murmurs may not cause any symptoms for many years. Fast or slow heart rate. Chest pain. Feeling more tired than normal when you exert yourself, like when you climb stairs or even make a bed.

Can a heart murmur be dangerous?

A heart valve that's not working correctly typically causes the murmur sound. Heart murmurs are classified as either “innocent” or “abnormal.” Innocent heart murmurs aren't dangerous and generally require no medical intervention. They can be caused by anemia, fever or hyperthyroidism, among other reasons.

What are the different heart murmurs?

Types of murmurs include: Systolic murmur - occurs during a heart muscle contraction. Diastolic murmurs are due to a narrowing (stenosis) of the mitral or tricuspid valves, or regurgitation of the aortic or pulmonary valves. Continuous murmur - occurs throughout the cardiac cycle.

What can heart murmurs lead to?

Heart valve problems, septal defects (also called holes in the heart), and diseases of the heart muscle such as hypertrophic cardiomyopathy are common heart defects that cause abnormal heart murmurs.

What causes heart murmurs in puppies?

Causes of Systolic Murmurs in Dogs. Most heart murmurs are systolic. The most common cause of systolic murmurs is pulmonic stenosis or subaortic stenosis, which is a narrowing of the blood vessel that causes obstruction of the blood flow.

What causes heart murmurs in older dogs?

Old Dogs with Murmurs. Degenerative mitral valve disease (DMVD) is very common in older, small breed dogs. The sound of this turbulence is called a heart murmur.

Is a heart murmur life threatening?

Murmurs can be caused by heart problems that range from mild and requiring little or no medical intervention to life-threatening, requiring immediate surgery. In older people, the murmur is most commonly caused by a problem with a heart valve, such as prolapse, stenosis, or endocarditis.

Is a heart murmur painful for dogs?

Heart murmurs sound serious, and often are, but sometimes a heart murmur is classified as an innocent heart murmur. These heart murmurs are not serious and often resolve with time. They are most commonly found in young dogs and are typically a grade III or less.

Can a dogs heart murmur be treated?

It's important to note that you don't treat heart murmurs. You treat symptoms and problems associated with heart murmurs. Since heart murmurs are usually the result of an underlying condition, the treatment for your dog's heart condition will depend on the diagnosis.

Is a heart murmur dangerous in dogs?

Heart murmurs are detected when a veterinarian listens to a dog's heart and hears a whooshing sound. It's not always a reason for concern, but it can be. In dogs, common causes include heart valve problems, heartworm disease, heart defects, tumors, or weakening of the heart muscle.

Can a heart murmur kill your dog?

The whooshing sound can be a leaky heart valve, defects of the heart, weak heart muscles, heart worm disease, tumors, infections, or so on. Although not considered normal, not all murmurs are a cause for concern. However, these types of murmurs in certain breeds can quickly lead to the dog developing heart failure.

Can a heart murmur cause blackouts?

Heart murmurs often don't carry any symptoms at all and are only discovered through the physician's ears during a stethoscope exam. When there are symptoms—such as shortness of breath, dizziness, or blackouts—they're often due to an underlying cause, such as damage to the heart valves.

Will a heart murmur kill my dog?

The whooshing sound can be a leaky heart valve, defects of the heart, weak heart muscles, heart worm disease, tumors, infections, or so on. Although not considered normal, not all murmurs are a cause for concern. However, these types of murmurs in certain breeds can quickly lead to the dog developing heart failure.

Can you grow out of a heart murmur?

It can be scary to learn that you or your child has a heart murmur. However, heart murmurs are quite common and are often harmless. They occur in many healthy children, who may or may not outgrow them as adults. They may also occur during pregnancy.

Can heart murmurs kill dogs?

Although not considered normal, not all murmurs are a cause for concern. A large majority of heart murmur in dogs are leaky mitral valves and can be monitored for several years before they require attention. However, these types of murmurs in certain breeds can quickly lead to the dog developing heart failure.

Are puppy heart murmurs common?

It is very common for young puppies, especially large breed puppies, to develop an innocent heart murmur while they are growing rapidly. The murmur may first appear at 6-8 weeks of age, and a puppy with an innocent heart murmur will usually outgrow it by about 4-5 months of age. This type of murmur is benign.

Can heart murmurs cause death?

A history of chest pain, dizziness, fainting, or abnormal shortness of breath or fatigue during exercise. Unexpected sudden death of a family member at a young age. (This could mean there is a possibility of inherited heart disease.) A history of abnormal heartbeat or heart murmur (most murmurs are harmless).

What is the treatment for a heart murmur?

The medication your doctor prescribes depends on the specific heart problem you have. Some medications your doctor might give you include: Medications that prevent blood clots (anticoagulants). Your doctor may prescribe anticoagulants, such as aspirin, warfarin (Coumadin, Jantoven) or clopidogrel (Plavix).

What happens when you have mini strokes?

A "mini-stroke" or "transient ischemic attack" (TIA) occurs when there is a temporary drop in the blood supply to the brain. Various events or conditions can cause the brain to be deprived of oxygen. Rapid care is essential to minimize the medical implications of a stroke.

What happens when you have Cushing's syndrome?

Cushing's syndrome is a hormonal condition. It happens when a person's cortisol levels are too high. It can have severe and wide-ranging effects on the body. It often results from using medications that lead to high levels of cortisol in the body, but other causes include a benign or cancerous tumor.

Can anxiety cause a heart murmur?

When an innocent heart murmur is triggered by fever, anxiety or exertion, it can disappear after the condition that triggered it goes away. Murmurs caused by valve problems or congenital heart problems usually last throughout life, and in some cases, they can worsen over time.

Can exercise help a heart murmur?

However, it's also important to know that functional heart murmurs can, in some instances, exclude patients from sports participation. Vigorous exercise can increase the stress placed on the heart, and in some cases may lead to arrhythmias or a more rapid deterioration in heart function.

Can a heart murmur cause palpitations?

A heart murmur itself does not causes symptoms. In adults, heart abnormalities may cause chest pain, and heart failure with symptoms of shortness of breath and swelling of the extremities. Palpitations or a sensation of an irregular heartbeat are occasionally seen in people with with heart valve abnormalities.

Can a heart murmur get worse?

For example, some forms of endocarditis begin suddenly and get worse rapidly over a few days, while others cause milder symptoms over weeks or months. Murmurs caused by valve problems or congenital heart problems usually last throughout life, and in some cases, they can worsen over time.

How dangerous is a heart murmur?

A person with an innocent murmur has a normal heart. This type of heart murmur is common in newborns and children. An abnormal heart murmur is more serious. In children, abnormal murmurs are usually caused by congenital heart disease.

Can a heart murmur be cured?

An innocent heart murmur generally doesn't require treatment because the heart is normal. If innocent murmurs are the result of an illness, such as fever or hyperthyroidism, the murmurs will go away once that condition is treated. If you or your child has an abnormal heart murmur, treatment may not be necessary.

What happens when you have a spinal stroke?

A spinal stroke occurs when the blood supply to the spinal cord is cut off. Without an adequate blood supply, the spinal cord will not receive the oxygen and nutrients that it requires to function. In severe cases of spinal stroke, the lack of communication can cause paralysis and may be life-threatening.

What causes a heart murmur in older dogs?

Old Dogs with Murmurs. Degenerative mitral valve disease (DMVD) is very common in older, small breed dogs. The sound of this turbulence is called a heart murmur.

What should I avoid with a heart murmur?

You can effectively reduce your risk of developing an abnormal heart murmur by following these six tips: Eat a healthy diet. Exercise regularly. Quit smoking. Cut down on alco​​hol. Keep pre-existing illnesses, such as high blood pressure, diabetes or high cholesterol, under control.

What happens when you don't have a spleen?

What can happen if I don't have a functional spleen (spleen has been removed or doesn't work properly)? Because your spleen is important for your body's defence against germs, when your spleen is removed or doesn't work properly you are at higher risk of infection, particularly from certain types of bacteria.

Do heart murmurs go away?

While there's not much you can do to prevent a heart murmur, it is reassuring to know that heart murmurs are not a disease and are often harmless. For children, many murmurs go away on their own as children grow. For adults, murmurs may disappear as the underlying condition causing them improves.

Can heart murmurs get worse?

For example, some forms of endocarditis begin suddenly and get worse rapidly over a few days, while others cause milder symptoms over weeks or months. Murmurs caused by valve problems or congenital heart problems usually last throughout life, and in some cases, they can worsen over time.

Can stress cause heart murmurs?

Excessive amounts of thyroid hormone affect heart function in a similar way to anaemia. Stress - emotional stress can sometimes interfere with the force of the heartbeat, increasing the blood flow (as happens with anaemia and hyperthyroidism).

Can heart murmurs go away?

While there's not much you can do to prevent a heart murmur, it is reassuring to know that heart murmurs are not a disease and are often harmless. For children, many murmurs go away on their own as children grow. For adults, murmurs may disappear as the underlying condition causing them improves.

How are heart murmurs treated?

If innocent murmurs are the result of an illness, such as fever or hyperthyroidism, the murmurs will go away once that condition is treated. Your doctor may want to monitor the condition over time. If treatment is necessary, it depends on what heart problem is causing the murmur and may include medications or surgery.

What happens to your body when you have a seizure?

A seizure is a sudden burst of electrical activity in the brain. This uncontrolled activity may produce a physical convulsion, abnormal behavior, and even loss of consciousness. Some people refer to this electrical outburst in the brain as an 'electrical storm.' During a seizure, many things may happen.

Are heart murmurs life threatening?

Murmurs can be caused by heart problems that range from mild and requiring little or no medical intervention to life-threatening, requiring immediate surgery. In older people, the murmur is most commonly caused by a problem with a heart valve, such as prolapse, stenosis, or endocarditis.

Can heart murmurs cause pain?

Generally, it doesn't cause symptoms, and can't be heard by the person with the murmur. Most heart murmurs in well-developed children are harmless. In adults, heart abnormalities may cause chest pain, and heart failure with symptoms of shortness of breath and swelling of the extremities.

Can heart murmur cause lightheadedness?

Heart murmurs often don't carry any symptoms at all and are only discovered through the physician's ears during a stethoscope exam. When there are symptoms—such as shortness of breath, dizziness, or blackouts—they're often due to an underlying cause, such as damage to the heart valves.

How do heart murmurs differ?

Heart Murmurs: The Difference Between Innocent and Abnormal. Heart murmurs are sounds made by blood as it passes through openings in the heart, such as valves. Your doctor can hear these murmurs while listening to your heart during a physical exam. Murmurs are sometimes associated with heart problems.

What can you do for a dog with a heart murmur?

However, if you have been told that your dog has a heart murmur, you should watch for signs such as: Coughing. Difficult or rapid breathing. Congestion or “noisy” breathing. Exercise intolerance (reluctance to exercise) Weakness or lethargy (tiredness) Fainting episodes. Gray or blue gums.

Is it normal for a puppy to have a heart murmur?

Innocent Murmurs in Dogs. Heart murmurs sound serious, and often are, but sometimes a heart murmur is classified as an innocent heart murmur. These heart murmurs are not serious and often resolve with time. They are most commonly found in young dogs and are typically a grade III or less.

Can heart murmurs in dogs go away?

Soft heart murmurs (grade 1/6 to 2-3/6) can occur in young animals and are of no consequence to them. These types of murmurs are called “innocent” murmurs. They are soft and usually go away by 14 weeks of age. This may indicate that congenital (present at birth) heart disease is present.

How do heart murmurs affect dogs?

Causes of Heart Murmurs in Dogs. Heart murmurs in dogs are caused by the following: Disturbed blood flow associated with high flow through normal or abnormal valves or with structures vibrating in the blood flow.

Do heart murmurs cause pain in dogs?

An innocent or physiologic heart murmur is a heart murmur that has no impact on the dog's health. This type of murmur is benign. In general, a physiologic or innocent heart murmur will have a low intensity (usually Grade I-II out of VI), and does not cause any symptoms or clinical signs.

Are heart murmurs in dogs dangerous?

Innocent Murmurs in Dogs. Heart murmurs sound serious, and often are, but sometimes a heart murmur is classified as an innocent heart murmur. These heart murmurs are not serious and often resolve with time. They are most commonly found in young dogs and are typically a grade III or less.