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Cardiology / Cardiovascular

Myocarditis

ICD-10 Code
I40.9

Clinical Criteria for Myocarditis.

Clinical Presentation & Protocol

Patient Usually Complains Of

Patient presents with acute onset of substernal chest pain, dyspnea on exertion, and palpitations. Symptoms preceded by a recent viral prodrome (fever, myalgia, URI symptoms). Denies orthopnea, PND, or syncope. No history of CAD or structural heart disease.

Clinical Examination Findings

Cardiovascular: Tachycardia noted, S1/S2 present, S3 gallop audible. No murmurs or rubs. JVD present at 45 degrees. Lungs: Bilateral bibasilar crackles. Extremities: 1+ pitting edema to the ankles. Vitals: Tachycardic, normotensive, O2 saturation stable on room air.

Treatment Protocol

Initiate guideline-directed medical therapy (GDMT) including ACE inhibitors/ARBs and beta-blockers. Diuretics for fluid overload. Strict activity restriction (no competitive sports for 3-6 months). Monitor serial ECGs, troponins, and echocardiogram. Consider cardiac MRI for definitive tissue characterization.

Detailed clinical guide coming soon.