Enlargement of the heart with progressive decline in pumping efficiency.

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The description matches congestive heart failure, which occurs when the heart is no longer able to pump effectively, leading to fluid accumulation in the lungs and other parts of the body. Enlargement of the heart is a common complication of long-standing heart failure. Cardiac tamponade is a condition where fluid accumulates in the sac surrounding the heart and compresses the heart, leading to decreased pumping efficiency. Heart block is a type of electrical conduction problem in the heart. Myocardial infarction is a sudden blockage of blood flow to the heart muscle. Hypertrophic cardiomyopathy is a genetic condition where the heart muscle becomes too thick and stiff, leading to decreased pumping efficiency.

Enlargement of the Heart with Progressive Decline in Pumping Efficiency