<prompt> What happens to LDH 1 2 ratio in MI?LDH1LDH2LDH2LDH1LDH1LDH2Remains the same  <response>: Ans. A. LDH1LDH2In normal persons LDH2LDH1. In myocardial infarction LDH1 level rises, LDH1LDH2. This is called flipped pattern of LDH. 