Digoxin may be prescribed in some cases to strengthen heart muscle contraction.在某些情况下，地高辛可以用来加强心脏肌肉收缩功能。A myocardial infarction happens when the blood flow to a part of the heart is blocked for a long enough time that part of the heart muscle is damaged.当流往部分心肌的血液被阻时间过长，心肌因此受损时，就会发生心肌梗塞。