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What Are the Treatments for Cardiomegaly?

author image Patricia Nevins, RN, MSN
Patricia Nevins is a registered nurse with nearly 20 years of nursing experience. She obtained her Master of Science in nursing with a focus in education from the University of Phoenix. Nevins shares her passion for healthy living through her roles as educator, nursing consultant and writer.
What Are the Treatments for Cardiomegaly?
Cardiomegaly is an enlarged heart. Photo Credit heart image by cherie from <a href='http://www.fotolia.com'>Fotolia.com</a>

Cardiomegaly is an enlarged heart and a symptom of cardiomyopathy, or disease of the heart. Cardiomegaly occurs from multiple causes, and poorly controlled high blood pressure is a common factor. The American Heart Association explains there are three types of cardiomyopathy, each with the end result of an enlarged heart: dilated, hypertrophic and restrictive. The treatment for cardiomegaly depends on the type of cardiomyopathy and underlying disease process.

Fluid Control

Each type of cardiomyopathy interferes with the pumping function of the heart. As the heart fails, a patient typically experiences fluid overload. MayoClinic.com reports that the frequent use of diuretics can remove excess fluid from the cardiovascular system. Controlling a patient's fluid volume helps maintain a stable blood pressure and relieves the symptoms of shortness of breath, fatigue and cough caused by cardiomegaly. The diuretics furosemide, spironolactone and hydrochlothiazide can be used as treatments for cardiomegaly.

Blood Pressure Control

High blood pressure increases the workload of and strain on the heart and other organs like the kidneys. A treatment for cardiomegaly includes controlling blood pressure through the use of medications such as angio-converting enzymes and angiotensin-receptor blockers. For example, physicians may prescribe lisinopril, captopril or losartan to stabilize blood pressure and improve blood flow to the heart muscle and the kidneys.

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Strengthen the Heart

Cardiomegaly weakens the heart muscle and reduces the ability of the heart to pump blood to the rest of the body. Treatment for cardiomegaly includes the use of beta blockers and cardioglycosides to strengthen the pumping function of the heart. Another symptom of cardiomegaly is an elevated heart rate. Beta blockers like metoprolol and cardioglycosides like digoxin reduce the heart rate. This action allows the heart to better fill with blood, which, combined with a stronger pumping action improves cardiac output.

Cardiac Resynchronization Therapy

When medications are not enough to control the symptoms of cardiomegaly, a pacemaker may be inserted to help synchronize the beating action of the heart. The authors of the 2006 edition of "Medical-Surgical Nursing: Critical Thinking for Collaborative Care" explain that a pacemaker that generates electrical impulses in both ventricles allows the heart to fill with blood and pump better. Patients with cardiomegaly often experience dangerous irregular heart rhythms. Physicians treat this problem with special pacemakers called implantable-cardioverter defibrillators, which detect and eliminate lethal heart rhythms by delivering an electrical shock directly to the heart.

Heart Valve Repair

If the cause of the cardiomegaly is a poorly functioning heart valve, the affected valve can be surgically repaired or replaced. Patients may receive a mechanical or biologic heart valve.

Heart Pump

A heart pump or ventricular assist device is a surgically implanted mechanical pump that takes over the work of the ventricles. This treatment for cardiomegaly is reserved for the sickest patients waiting for a heart transplant.

Heart Transplant

The final treatment option for cardiomegaly is a heart transplant. The wait for a heart is long due to the shortage of donors. Patients receive supportive care and symptom management until a donor heart becomes available.

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