Answer to Question 1
C
Many patients experience complications occurring either early or late in the postinfarction course. These complications may result from electrical dysfunction or from a cardiac contractility problem. Pumping complications can cause heart failure, pulmonary edema, and cardiogenic shock. The presence of a new murmur in a patient with an acute myocardial infarction warrants special attention because it may indicate rupture of the papillary muscle. The murmur can be indicative of severe damage and impending complications such as heart failure and pulmonary edema.
Answer to Question 2
D
The administration of a fibrinolytic agent results in the lysis of the acute thrombus, thus recanalizing, or opening, the obstructed coronary artery and restoring blood flow to the affected tissue. After perfusion is restored, adjunctive measures are taken to prevent further clot formation and reocclusion.
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