Fig. 3

Hemodynamic study with catheterization of the right heart during different rhythms, including sinus rhythm (sinus), sinus rhythm and ventricular fibrillation (sinus + VF), and atrial and ventricular fibrillation (AF + VF). Pressure waves of the right atrium (RA) were presented as “a wave / v wave / mean pressure”. Pressure waves of right ventricle (RV) were presented as “systolic / end-diastolic pressure”. Pressure waves of pulmonary artery (PA) were presented as “systolic / diastolic / mean pressure”. Pressure waves of pulmonary artery wedge pressure (PAW) were presented as “a wave / v wave / mean pressure”. The timing of systole or diastole in VF could not be determined, so that highest and lowest pressures were presented in PA and RV during VF