Home/Equations/Stroke volume (LVOT method)Stroke volume (LVOT method)EchoEquationStroke volume (LVOT method)SV=VTILVOT×πr2SV = VTI_{LVOT} \times \pi r^{2}SV=VTILVOT×πr2ExplainerStroke volume = LVOT cross-sectional area (πr²) × the LVOT velocity–time integral.