Valve disease. Myocardial disorders.. Inability of the heart muscle contraction or decrease its ability to absorb blood during the diastolic phase

A distemper valves:

Any narrowing in one of the heart valves or expansion reduce natural causes disturbances in the work of the heart may eventually lead to his palaces.

Myocardial disorders:

  Is a group of diseases affecting the heart muscle Decrease the ability of the heart muscle contractions or decrease its ability to absorb blood during the diastolic phase.