Following an MI, when do CK levels reach peak values?
A) At the time chest pain begins
B) Within 3 to 12 hours of the onset of chest pain
C) Within 24 hours
D) 48 to 72 hours after the onset of chest pain

Question

Quizplus · Accepted Answer

CK levels reach peak values within 24 hours. Levels begin to increase within 3 to 12 hours of the onset of chest pain and return to baseline after 48 to 72 hours. The more severe the cardiac damage, the longer it takes for CK levels to peak and then return to normal.

Following an MI, When Do CK Levels Reach Peak Values