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Fig. 1 | Critical Care

Fig. 1

From: Correlation between end-tidal carbon dioxide and the degree of compression of heart cavities measured by transthoracic echocardiography during cardiopulmonary resuscitation for out-of-hospital cardiac arrest

Fig. 1

Measurement of the maximal and minimal diameters of the right and left ventricles for calculation of compression indexes. a The arrow indicates the distance of the measurement site from the mitral annulus. Measured values of maximal right and left ventricular diameters. b Measurements of the minimal diameters of the right and left ventricles at the same distance from the mitral annulus as the measurements at a

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