Following a cardiothoracic surgery, where controlled therapeutic hypothermia was utilized to decrease metabolic demands,
the nurse responsible for recovering this patient should be assessing for which of the following potential complications to cold cardioplegia?
A)
Development of a first-degree AV block
B)
Vasoconstriction resulting in weak pedal pulses, requiring the use of a Doppler
C)
Frequent premature ventricular contractions (PVCs) on the telemetry monitor
D)
Cyanosis in lower extremities with no blanching in the toes
Ans:
C
Feedback:
Potential complications to cold cardioplegia include such signs and symptoms as ventricular dysrhythmias, decreased cerebral blood flow, and postoperative myocardial depression. First-degree AV block is common in patients with heart problems. Vasoconstriction of vessels is an expected effect of cold cardioplegia along with cold, bluish lower extremities.
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