问题
单项选择题
A priority nursing diagnosis during the first 24 hours following an MI is
A. Ineffective cardiac tissue perfusion.
B. Risk for infection.
C. Deficient fluid volume.
D. Constipation.
答案
参考答案：A
解析：Ineffective Cardiac Tissue Perfusion related to myocardial damage and inadequate cardiac output is a major problem immediately after a heart attack. Therapy is directed toward improving cardiac output and decreasing myocardial workload.