Biochemistry Enzymes a1f7f5a0 What happens to LDH 1 & 2 ratio in MI? A LDH1>LDH2 B LDH2>LDH1 C LDH1=LDH2 D Remains the same High-Yield Explanation Ans. A. LDH1>LDH2In normal persons LDH2>LDH1. In myocardial infarction LDH1 level rises, LDH1>LDH2. This is called flipped pattern of LDH.