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The Ultrasound Journal
Fig. 1 | The Ultrasound Journal

Fig. 1

From: Rationale for using the velocity–time integral and the minute distance for assessing the stroke volume and cardiac output in point-of-care settings

Fig. 1

Schematic representation of the calculation of the stroke volume (SV) and cardiac output (CO) by transthoracic echocardiography. CSA: cross-sectional area; LVOT: left ventricular outflow tract; d: diameter; RVOT: right ventricular outflow tract; LV: left ventricle; AoR: aortic root; LA: left atrium; da: descending aorta; RA: right atrium; RV: right ventricle; VTI: velocity–time integral; HR: heart rate

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