Dilated Cardiomyopathy

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by Gendron115
Last updated 6 years ago

Human Anatomy

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Dilated Cardiomyopathy

TreatmentMany blood thining medicines are used and doctors will also use heart pumps, pacemakers, and ICD (Implantable cardioverter-defibrillators).

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Support for sufferers:The Cardiomyopathy Associationand othe third party organizations

Risk FactorUsually affects middle-aged men but can occur in any age group. Most patients, especially those older than age 55, die within two years of symptom onset. May develop during the last trimester of pregnancy or a few months after delivery.Risk factors include: (these can lead to dilated cardiomyopathy) hypertension, coronary artery disease, alcoholism, cocaine use, obesity, HIV infection, viral or bacterial infections of the heart muscle.

PrognosisMost patients, especially if over 55 ears old, die within two years of symptoms being noticed.

Dilated Cardiomyopathy

Tests and DiagnosisNo single test confirms dilated cardiomyopathy, but eliminates other possible heart problems. Chest X-rays used to view the contractions of ventricles. Cardiac catheterization shows left ventricular dilation and dysfunction, pressures within left and right ventricles, ' lessened cardiac output

PathophysiologyExact cause is unknown (idiopathic). Cause may be linked to infectious agents, muscle disorders (myasthenia gravis), rheumatic fever, alcoholism. Dilated Cardiomyopathy results from extensively damaged myocardial muscle fibers. This disorder interferes with myocardial metabolism and grossly dilates every heart chamber, giving the heart a globular shape. All four heart chambers become dilated as a result of increased volumes and pressures.

Symptoms:Shortness of breath, fatigue, dry cough at night, palpitations, narrow pulse pressures, irregular rythms, swelling (edema) in legs, ankles and feet, swelling of abdomen (ascites).

History and ResearchIdiopathic disease; However numerous factors can cause left ventricle to dilate and weaken including: genetics, hypertension, diabetes, late-stage pregnancy, drug and alcohol abuse, some cancer medications, ' exposure to toxins such as lead, mercury, and cobalt


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