Interactive worksheet
Endomyocardial Biopsy Yield Predictor (Myocarditis Suspicion Model)
: Explanation and Clinical Context This calculator estimates the probability that an endomyocardial biopsy (EMB) will provide a specific histopathologic or immunohistochemical diagnosis in patients with clinically suspected myocarditis. Diagnostic yield in contemporary cohorts averages around 50–55%, depending on timing, imaging, sampling site, and targeting method. Clinical interpretation Early biopsy (≤14 days), po