Which of the following is an anticipated finding after cardiac transplantation?
a. Two P waves on the electrocardiogram (ECG)
b. High cardiac output
c. Anginal pain
d. Resting heart rate of 60 to 70 beats/min
A
An ECG abnormality unique to a transplanted heart is the presence of a second P wave generated by the native sinoatrial (SA) node left in the atrial cuff. Because this impulse does not cross the suture line, it is capable of conducting only through the remnant of the native recipient atria. However, this is not seen in hearts transplanted using the bicaval technique because the native right atrium and therefore the SA node is removed.
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