KROK 1 2013 – Question 130 · KROK (Medicine) · Biological Chemistry
6 hours after the myocardial infarction a patient was found to have elevated level of lactate dehydrogenase in blood. What isoenzyme should be expected in this case?
- A. LDH4
- B. LDH1
- C. LDH2
- D. LDH5
- E. LDH3
Hint
Recall that lactate dehydrogenase is a tetramer built from two kinds of subunit in five combinations, and consider which combination is typical of heart muscle rather than liver and skeletal muscle.
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