<prompt> Marker-specific for Myocardial infarction:Troponin ITroponin CTroponin TLDH  <response>: The best test for diagnosis of MI is troponin I which can be quantified as a value more than 0.04ngdl after 3 hours of onset of myocardial infarction.Remember TROPONIN -I can be false positive in the following cases 