You can safely skip the LDH.
D002985:Clinical Protocols; D017046:Cost Savings; D003937:Diagnosis, Differential; D017721:Hospital Costs; D006801:Humans; D007770:L-Lactate Dehydrogenase / Q000097:blood*; D009203:Myocardial Infarction / Q000097:blood / Q000191:economics* / Q000201:enzymology*; D014600:Utilization Review
D007770:L-Lactate Dehydrogenase