Questions and Answers
Which cardiac biomarker has the shortest time span to return to normal after its peak?
MB-Ck
For how long can Troponin T remain elevated in the bloodstream after an initial cardiac event?
5-14 days
What is the initial time of elevation for both AST (SGOT) and Lactate dehydrogenase (LDH) after a cardiac event?
Within few hours (6-12 hours)
Which cardiac biomarker peaks the quickest after its elevation?
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Compare the time to return to normal for Troponin I and Lactate dehydrogenase (LDH).
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Study Notes
Cardiac Biomarkers Normal Range
- MB-Ck elevates within 3-12 hours of an event, peaks at 24 hours, and returns to normal within 2-3 days.
- Troponin I elevates within 3-12 hours, peaks at 24 hours, and returns to normal within 5-10 days.
- Troponin T elevates within 3-12 hours, peaks at 12-24 hours, and returns to normal within 5-14 days.
- AST (SGOT) elevates within a few hours (6-12 hours), peaks at 36 hours, and returns to normal after 5 days.
- Lactate dehydrogenase (LDH) elevates within a few hours (6-12 hours), peaks at 3 days, and returns to normal after 1 week.
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