BSA — m²
Respiratory variation of mitral or tricuspid inflow E velocity
100 × (expiration − inspiration) / expiration from the first beats of each phase; thresholds 30/60% (tamponade) and 25/40% (constriction) by valve and setting.
Read more:ASE 2013 · Pericardial disease
Quick reference:↑ Pericardium
Enter Peak E, first beat of expiration, Peak E, first beat of inspiration to calculate.
Quick tool: no study or demographics required. Values entered here are shared with other tools in this tab until New study.