Diagnostic testing for hibernating myocardium

Usually not needed*

Normal left ventricular function

Coronary arteries not suitable for revascularization

Usually needed*

Suspected CAD/IDCM, being considered for heart transplantation

CAD plus severe left ventricular dysfunction (LVEF ≤0.35)

CAD plus dysfunction in patients who are asymptomatic or have heart failure symptoms: mild/minimal angina

Individualize^¶

Unstable angina or severe stable angina

Acute myocardial infarction

Anomalous left coronary artery from pulmonary artery

CAD: coronary artery disease; IDCM: idiopathic dilated cardiomyopathy; LVEF: left ventricular ejection fraction.
* Clinical judgment may be needed.
¶ Clinical judgment frequently needed.

Adapted from: Rahimtoola SH. J Am Coll Cardiol 1997; 30:1701.

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Diagnostic testing for hibernating myocardium