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Cardiomyopathy

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OVERVIEW

What is cardiomyopathy?

Cardiomyopathy (say: “car-dee-oh-my-ah-puh-thee”) is a disease of the muscles in the heart. It can have many causes. It may be caused by coronary artery disease (blocked arteries), high blood pressure, infections, certain medicines, diabetes, thyroid disorders or alcohol abuse. Rarely, cardiomyopathy can happen during the last trimester of pregnancy or the first few months after having a baby.

SYMPTOMS

What are the symptoms of cardiomyopathy?

Symptoms of cardiomyopathy may be the same as the symptoms of heart failure. These include the following:

  • Shortness of breath
  • Fatigue
  • Coughing
  • Trouble breathing, especially while lying down
  • Edema (swelling) of the feet, ankles and legs
  • Abdominal bloating
  • Chest pain
  • Dizziness, light-headedness and fainting

DIAGNOSIS & TESTS

How is cardiomyopathy diagnosed?

Your healthcare provider will ask about your personal and family medical history. It is important to tell your healthcare provider if someone in your family has cardiomyopathy or another form of heart disease. Some of these conditions can run in families. Your healthcare provider may do tests to see if you are at risk.

Your healthcare provider will also examine you. They may do some tests on your heart and blood.

TREATMENT

How is cardiomyopathy treated?

Treatment depends on the cause of the cardiomyopathy. For example, if you have high blood pressure, your healthcare provider may prescribe medicine to help control it.

If you smoke or drink alcohol, your healthcare provider will probably advise you to quit. You may need to lose weight if you are overweight or obese. Physical activity is an important part of a healthy lifestyle. However, you should check with your healthcare provider before starting an exercise program.

Your healthcare provider may prescribe medicine to treat cardiomyopathy. They may also suggest that you eat less than 2,300 mg of salt per day. Sodium intake is linked to high blood pressure and heart disease.

If you have heart failure, you may need a small device that is like a pacemaker to help your heart work correctly. You will need surgery to place the device in your body.

In serious cases, a person who has cardiomyopathy may need a heart transplant. A cardiologist (heart specialist) can help you and your healthcare provider make that decision.

QUESTIONS TO ASK YOUR HEALTHCARE PROVIDER

  • What is the likely cause of my cardiomyopathy?
  • If another condition is causing my cardiomyopathy, will treating that condition cure me of my symptoms?
  • What is the best treatment for me? Medicine? Surgery?
  • Do I need to make any lifestyle changes?
  • Am I at risk of heart failure?
  • Will I need a heart transplant?

FOR MORE INFORMATION

Heart and Stroke Foundation of Canada https://www.heartandstroke.ca/heart/conditions/cardiomyopathy

Sources

Cardiomyopathy: An Overview by Randy Wexler, MD, MPH; Terry Elton, PhD; Adam Pleister, MD; and David Feldman,

MD, PhD (05/01/09, http://www.aafp.org/afp/20090501/778.html )

Written by familydoctor.org editorial staff.

Revised/Updated: 04-01-2014

Created: 10-01-2009

This handout provides a general overview on this topic and may not apply to everyone. To find out if this handout applies to you and to get more information on this subject, contact your family healthcare provider.

Copyright (c) by the American Academy of Family Physicians

Permission is granted to print and photocopy this material for non-profit educational uses.

Written permission is required for all other uses, including electronic uses.

Nova Scotia Telecare, Reviewed by Clinical Services Working Group, December 2018

54981

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