Overview
To study the value of heart rate lowering therapy "pharmacological rest" on the short term in cases of myocarditis without LV dysfunction.
Eligibility
Inclusion Criteria:
- Adults: ≥18 years of age.
- Presentation: at least one of the following:
- Myopericarditis/ACS-like
- MINOCA
- Arrhythmias: brady or tachyarrhythmias.
- Unexplained compensated acute cardiomyopathy (excluded ischemic, valvular, hypertensive, metabolic, and toxic causes of cardiomyopathy as indicated clinically).
- TTE: LVEF>40%
- CMR-confirmed myo(peri)carditis (Lake Louise criteria)
Exclusion Criteria:
- • Rheumatic carditis.
- Connective tissue diseases (-ve ANA).
- Cancer chemotherapy.
- Toxicity from immunotherapy.
- Vaccine-related myocarditis.
- Presence of coronary artery disease.
- Peripartum (occurring during the last month of pregnancy or within 5 months after delivery)
- ECG: atrial fibrillation/flutter.
- Resuscitated sudden death.
- Early/initial phase of decompensated heart failure.
- Tamponade complicating pericarditis unless successfully managed.