Question

which ldh isoenzyme fractions are for pulmonary congestion?fraction 1 and 3fraction 2 and 3fraction 2 and 4fraction 1 and 5

Explanation:

LDH (lactate dehydrogenase) has five isoenzymes. In pulmonary congestion, LDH - 2 (heart - type subunit rich) and LDH - 3 (intermediate type) are relevant. LDH - 1 is more related to heart muscle damage (like in myocardial infarction), LDH - 4 and LDH - 5 are more associated with liver and skeletal muscle.

Answer:

Fraction 2 and 3