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
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.