Heart Diseases Part IV – Heart Diseases—heart Diseases Affecting Heart Muscles

As we mentioned in the previous articles, heart diseases are caused by high blood pressure that contributes to hardening of the arteries. High levels of bad cholesterol (LDL) building up in the arteries as a result of uncontrolled diet with high levels of saturated fat and trans fat.

In the case of heart diseases affecting heart muscles, the heart muscles are stiff, increasing the amount of pressure required to expand for blood to flow into the heart or the narrowing of the passage as a result of obstructing blood flow out of the heart.
Heart diseases affecting heart muscles include:

1. Cardiomyopathy
Heart muscle becomes inflamed and doesn’t work as well as it should. There may be multiple causes such as high blood pressure, heart valve disease, artery diseases or congenital heart defects.

a) Dilated cardiomyopathy
The heart cavity is enlarged and stretched. Blood flows more slowly through an enlarged heart, causing formation of blood clots as a result of clots sticking to the inner lining of the heart, breaking off the right ventricle into the pulmonary circulation in the lung or being dislodged and carried into the body’s circulation to form emboli .

b) Hypertrophic cardiomyopathy
The wall between the two ventricles becomes enlarged, obstructing the blood flow from the left ventricle. Sometimes the thickened wall distorts one leaflet of the mitral valve, causing it to leak. The symptoms of hypertrophic cardiomyopathy include shortness of breath, dizziness, fainting and angina pectoris.

c) Restrictive cardiomyopathy
The ventricles becomes excessively rigid, so it’s harder for the ventricles to fill with blood between heartbeats. The symptoms of restrictive cardiomyopathy include shortness of breath, swollen hands and feet.

2. Myocarditis
Myocarditis is an inflammation of the heart muscles or the weaken of the heart muscles. The symptoms of myocarditis include fever, chest pains, congestive heart failure and palpitation.

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