Observed arrival · 2026-09-16
A Calculator for the Moment a Failing Heart Needs Less Machine
An interactive hemodynamics calculator and escalation/weaning pathway for temporary mechanical circulatory support.
Field notes
The tool turns bedside inputs such as lactate, filling pressures, oxygen saturation, LVEF, and LVOT-VTI into a staged support pathway. It explicitly separates device sufficiency from de-escalation readiness: the latter requires underlying-condition control, improving end-organ function, hemodynamic thresholds, and myocardial recovery. For device reduction, it gives concrete instructions including reducing VA-ECMO flow by 0.5 L every 2–4 hours and taking Impella LV support down to P-2.
Observed signals
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