Myocardial infarction with non-obstructive coronary arteries: A comprehensive review and future research directions

Table 4 European Society of Cardiology 2013 Myocarditis Task Force definition of clinically suspected myocarditis

Presence of ≥ 1 clinical presentation and ≥ 1 diagnostic criteria:
Clinical presentation:
Acute coronary-like syndrome
New onset or worsening unexplained heart failure
Chronic unexpected heart failure over 3 mo duration
Life-threatening unexplained conditions (including arrhythmias, aborted sudden death, cardiogenic shock)
Diagnostic criteria:
ECG/Holter/stress test shifts: Any degree atrioventricular block or bundle branch block, ST/T or Q wave changes, sinus arrest, cardiac arrest rhythms, low voltage, frequent premature beat or supraventricular tachycardia
Elevated cardiac troponins
Functional and structural abnormalities on cardiac imaging
Oedema and/or late gadolinium enhancement of myocarditis pattern in CMR

CMR: Cardiac magnetic resonance; ECG: Electrocardiogram.