Diagnostic Troponin I value for MyoCardial infarction is?: (A) >O.2ng\/mL, (B) >O.4ng\/ml, (C) >O.6 ng\/mL, (D) >O.8ng\/mL
Answer is A. TnI and TnT normally are not found in the circulation however after acute MI, both are dectectable within 2-4 hr with levels peaking at 48hrs and remaining elevated for 7 to 10 days Robbins 9 th edition page no. 383