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T1/T2 Mapping Index Calculator

T1/T2 Mapping Index: Explanation and Clinical Context The T1/T2 Mapping Index is derived from cardiac MRI T1 and T2 relaxation times, providing a quantitative assessment of myocardial tissue characteristics. T1 mapping reflects interstitial fibrosis, edema, or infiltration, while T2 mapping is sensitive to myocardial edema. The index (T1/T2 ratio) allows clinicians to detect early myocardial abnormalities and differe

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TAPSE (RV systolic function) Calculator

Explanation — TAPSE, physiology, clinical meaning, and prognostic context TAPSE (tricuspid annular plane systolic excursion) quantifies the longitudinal displacement of the lateral tricuspid annulus toward the apex during systole and therefore serves as a simple surrogate of right ventricular longitudinal systolic function. It is measured in M-mode aligned with the lateral tricuspid annulus in the apical four-chamber