Cardiac
Creatine phosphokinase (CK) :
Levels rise 4 to 8 hours after an acute MI, peaking at 16 to 30 hours and
returning to baseline within 4 days
25-200 U/L
32-150 U/L
CK-MB CK isoenzyme
It
begins to increase 6 to 10 hours after an acute MI, peaks in 24 hours, and
remains elevated for up to 72 hours.
- < 12 IU/L if total CK is <400 IU/L
- <3.5% of total CK if total CK is >400 IU/L
- (LDH) Lactate dehydrogenase - Total (LDH) will begin to rise 2 to 5 days after an MI; the elevation can last 10 days.
- 140-280 U/L
- SGOT - will begin to rise in 8-12 hours and peak in 18-30 hours
- 10-42 U/L