<prompt> Post MI 10th day which of the following enzyme level is raisedLDHCPKTroponinMyoglobin  <response>: Most sensitive marker: CK-MBMost cardio-specific marker: Troponin I and Troponin TTroponins begins to rise 2 to 4 hours after MI, peaks at 48 hours and persist for 7 to10 daysCK-MB begins to rise 2 to 4 hours after MI, peaks at 24 hours and return to normal within 72 hrsUnchanged levels of CK-MB and troponin over a period of 2hrs essentially excludes the diagnosis of MI. Ref: Robbins 8e p555 