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My Doctor Said I Have a Heart Murmur. What Does That Mean?

If your doctor told you that you have a heart murmur, you鈥檙e probably wondering what that means. Is my health in danger? Will I always have a heart murmur? Do I need surgery?

The good news is that many heart murmurs aren鈥檛 dangerous. In fact, many heart murmurs go away on their own over a few months or years.

Whether you need treatment for your heart murmur will depend on what type of murmur you have. Even if you need treatment, your heart doctor (cardiologist) will work with you to decide what treatment is best and least invasive.

Woman doctor talking to patient

What Is a Heart Murmur?

A heart murmur is when your heart makes an unusual sound as blood is flowing through your heart.

You鈥檙e probably used to your doctor listening to your heartbeat through a stethoscope. If you have a heart murmur, your doctor will hear a sound that鈥檚 different from normal while your blood is flowing through your heart鈥檚 chambers.

Another way to think about a murmur is the uncommon sound that blood makes while it flows through your heart.

  • Hearts that don鈥檛 have a murmur make a 鈥渓ub dub鈥 sound.
  • Hearts that have murmurs make a swishing or whooshing sound.

Many heart murmurs aren鈥檛 life-threatening and don鈥檛 need treatment. But other heart murmurs do need treatment because they鈥檙e a sign of an underlying problem with your heart.

It鈥檚 important to remember that if you鈥檝e been diagnosed with a heart murmur, that doesn鈥檛 mean you鈥檒l always have it. Heart murmurs can go away on their own.

How Many People Have Heart Murmurs?

Heart murmurs are very common:

  • 10 percent of adults will have a heart murmur.
  • 40鈥45 percent of 人妻中出视频ren have a heart murmur.

Most 人妻中出视频ren with murmurs have a congenital heart murmur, meaning they were born with it.

Is Having a Heart Murmur Dangerous?

Whether a heart murmur is dangerous depends on what鈥檚 causing it in the first place.

  • Heart murmurs that are caused by normal life activities (like exercising, being pregnant, or having a fever) usually aren鈥檛 dangerous and don鈥檛 need treatment. (These are called innocent heart murmurs)
  • Heart murmurs that are caused by diseases or structural problems in your heart may need treatment. (These are called abnormal heart murmurs)

Abnormal Heart Murmurs

Heart murmurs that are caused by infections, birth defects, or diseases can be dangerous. Problems may include:

Infections

Endocarditis is an infection in the heart鈥檚 valves and inner lining. This infection can seriously damage your heart's valves.

Heart Defects

Septal defects are holes inside the heart. People who have septal defects were usually born with them. Whether or not septal defects are dangerous depends on where the holes are and how big they are.

Heart Valve Diseases

Even though many people with heart valve problems were born with them, many adults don鈥檛 find out they have valve problems until they鈥檙e years older.

Valve problems include:

  • Aortic valve stenosis: this is when your aortic valve becomes thickened and narrowed. This narrowing makes it harder for your heart to pump blood out to your body. It may cause symptoms like shortness of breath and fatigue.
  • Mitral stenosis: this is when your mitral valve becomes narrowed, making it harder for blood to flow from your left atrium to your left ventricle. Mitral stenosis is often caused by rheumatic heart disease (from past strep throat infections). Mitral stenosis can cause shortness of breath and fatigue.
  • Aortic root aneurysm: this is when the first part of your aorta dilates (becomes wider than it should). Aortic root aneurysms can cause your aortic valve to work incorrectly, which can cause a heart murmur. Many conditions, including genetic disorders like Marfan Syndrome, can cause aortic root aneurysms. Cardiologists and surgeons who specialize in treating aortic disease can evaluate and manage this type of aneurysm.
  • Mitral regurgitation happens when blood leaks backward through your mitral valve when your heart beats. If it鈥檚 not treated, mitral regurgitation can cause heart failure.
  • Aortic insufficiency: this happens when blood leaks backward through your aortic valve in between heartbeats. It can also cause heart failure if it鈥檚 not treated.
  • Tricuspid regurgitation: this happens when blood leaks backward through the valve on the right side of your heart. If it鈥檚 not treated, tricuspid regurgitation can cause abdominal or leg swelling, liver failure, and heart failure.

Cardiologists and cardiothoracic surgeons are doctors who specialize in treating heart valve diseases. These doctors can recognize and diagnose valve diseases that may be missed by other doctors.

Innocent Heart Murmurs

Heart murmurs that aren鈥檛 dangerous or life-threatening are sometimes called 鈥渋nnocent heart murmurs.鈥 One of the reasons these types of heart murmurs happen is because blood flows more quickly through your heart than normal.

You may have an innocent (non life-threatening) heart murmur if:

  • you鈥檙e pregnant;
  • you have a fever;
  • you鈥檙e exercising or doing other physical activity;
  • you鈥檙e anemic (your blood cells don鈥檛 carry enough oxygen to your tissues and muscles);
  • you have hyperthyroidism (you have too much thyroid hormone); or
  • you鈥檙e a teenager and your body is growing quickly.

Heart Murmur Symptoms

If you have an innocent heart murmur, you probably won鈥檛 have any symptoms. But if you have these symptoms, you may have an abnormal heart murmur:

  • shortness of breath,
  • chest pain,
  • fainting,
  • dizziness,
  • a cough that won鈥檛 go away,
  • blue skin around your lips and fingertips,
  • a lot of sweating鈥攅ven when you're not exercising strenuously or exerting yourself.

These symptoms may be a sign of an underlying heart disease that hasn鈥檛 been diagnosed.

Do Heart Murmurs Need Surgery?

Not all heart murmurs need to be treated with surgery. Instead, your treatment will depend on what鈥檚 causing your heart murmur in the first place.

If you have an innocent heart murmur, you probably won鈥檛 need any treatment.

Some abnormal heart murmurs can be managed with medication. Some common medications used to treat heart murmurs include the following:

  • statins鈥攎edications that lower your cholesterol
  • beta blockers or ACE inhibitors鈥攎edications that lower your blood pressure
  • aspirin or warfarin鈥攖hese medications are anti-coagulants because they help prevent blood clots from forming

If something is wrong with your heart鈥攆or example, if you have a hole in your heart or one of your heart valves needs to be replaced鈥攖hen you may need surgery.

Heart Murmur Treatment

Valve Surgery

Surgeries for heart murmurs often include valve repair and valve replacement. These surgeries treat the underlying valve problems in your heart that are causing the murmur. If you do need surgery, your cardiothoracic surgeon will try to make sure your surgery is as minimally invasive as possible.

Transcatheter Aortic Valve Replacement

Transcatheter aortic valve replacement (also known as TAVR or TAVI) is also a good treatment option for patients who can't have surgery, or for patients who want a less invasive option than open heart surgery.

MitraClip

The MitraClip is a tiny device (about the size of a dime) that treats mitral regurgitation. The MitraClip pinches your mitral valve so it can close more fully. Closing your mitral valve stops blood from leaking backwards.

Getting a MitraClip doesn鈥檛 involve surgery since doctors don鈥檛 have to open your chest. Instead, your doctor will insert your MitraClip through a thin tube (catheter) that runs through your leg and into your heart.

Next Steps

Many heart murmurs are innocent and don鈥檛 need treatment. But it鈥檚 important to see a cardiologist or cardiothoracic surgeon if:

  • your primary care doctor has told you that you have a heart murmur, and you have symptoms of an abnormal heart murmur, or
  • you have the symptoms described above and you think you may have an abnormal heart murmur.

At 人妻中出视频 of Utah 人妻中出视频, a heart team that includes a cardiologist and a cardiothoracic surgeon will evaluate your heart murmur. Your heart team will examine your heart and rule out any serious, undiagnosed heart conditions that may need treatment.

Call 801-585-7676 to schedule an appointment with a cardiovascular specialist

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