case_images: PMC2778180_01
case_images: Pulsus alternans:beat-to-beat variation in systolic pressure is evident in aorta (a), pulmonary artery (b), and left and right ventricles (c).
case_images: CRP2009-703793.001.jpg
case_images: PMC2778180_01_CRP2009-703793.001.jpg
case_images: fig1
case_images: During the procedure, the patient had beat-to-beat alterations evident in aortic, pulmonary artery, left ventricular, and right ventricular pressures (Figure 1) in the absence of RR cycle length variation which is diagnostic of pulsus alternans.