Cardiology MCQ 140: Coronary microvascular obstruction by CMR

False statement regarding the assessment of coronary microvascular obstruction by CMR:

a) Images obtained 10-15 min after injecting a gadolinium-based contrast

b) Infarcted tissue is seen as a region of hypo enhancement

c)  A dark core of hypoenhancement within the infarct tissue is taken as a region of coronary microvascular obstruction

d) The index of microcirculatory resistance measured acutely predicts the extent and severity of infarction in patients with STEMI


[“Click here for the answer with explanation”, “Correct Answer:”]

b) Infarcted tissue is seen as a region of hypo enhancement

Infarcted tissue is seen as a region of hyper enhancement on cardiovascular magenetic resonance (CMR) imaging after injecting a gadolinium-based contrast. Read more…