The nurse needs to be aware that the most common early complication of a myocardial infarction is:

The nurse needs to be aware that the most common early complication of a myocardial infarction is:
A . Diabetes mellitus
B . Anaphylactic shock
C . Cardiac hypertrophy
D . Cardiac dysrhythmia

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Answer: D

Explanation:

(A) Diabetes mellitus is not a common complication of myocardial infarction.

(B) Anaphylactic shock is an allergic reaction.

(C) Cardiac hypertrophy is a late potential complication. It is a common complication of congestive heart failure.

(D) Myocardial infarction causes tissue damage, which may interrupt electrical impulses. Myocardial irritability results from lack of oxygenated tissue.