Grade 4 Myocarditis, CTCAE 6.0

**Semantic type:** Finding

**Definition:** Life-threatening consequences; urgent intervention indicated (e.g., continuous IV therapy or mechanical hemodynamic support); hemodynamically unstable requiring non-invasive or invasive ventilation; complete or high grade AV block; significant ventricular arrhythmia

**Synonyms:** - Grade 4 Myocarditis