While monitoring a patient with pericarditis, the nurse recognizes that the patient is at risk for cardiac tamponade if which of the following occurs?
a. Cardiac output decreases more than 10%.
b. Cardiac workload increases by 15%.
c. Emboli begin to form.
d. Pericardial sac fluid increases.
ANS: D
Cardiac tamponade is a life-threatening compression of the heart by fluid accumulated in the pericardial sac.
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