Subtle Anterior STEMI Calculator (4-variable) is a diagnostic scores tool commonly applied in Cardiology / Emergency Medicine. Smith/Meyers logistic-style index using QTc, V2 QRS, V4 R-wave, V3 STE@60 ms. Use the interactive calculator for inputs, limitations, and primary references.

Not a substitute for clinical judgment. Verify critical values with primary literature, local protocols, and specialist input when appropriate.