A 56-year-old patient was admitted to the emergency department with a myocardial infarction. Cardiac enzymes were drawn. In a patient with a myocardial infarction, which laboratory values would be abnormal?
a. Elevated levels of serum glutamic oxaloacetic transaminase (SGOT) (AST), creatine phosphokinase (CPK-MB), and lactic dehydrogenase (LDH), troponin 1
b. Decreased levels of SGOT (AST), CPK and LDH, troponin 1
c. Elevated levels of SGOT (AST), decreased levels of CPK and LDH, troponin 1
d. Decreased levels of SGOT (AST), increased levels of CPK and LDH, troponin 1
A
Serum cardiac markers are certain proteins that are released into the blood in large quantities from necrotic heart muscle after a myocardial infarction. These markers, specifically cardiac serum enzymes and troponin 1, are important screening diagnostic criteria for acute MI.
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