Table 2.

Mean aortic flow (i.e., essentially cardiac output) and mean flow provided by the LVAD (units of L/minute). All numbers are average values determined by selecting a range of cardiac cycles that correspond to the physiologic interventions (i.e., baseline, increased preload, and increased afterload) and pumping mode (i.e., continuous and pulsed).

		Baseline				Increased Preload				Increased Afterload
		Continuous		Pulsed		Continuous		Pulsed		Continuous		Pulsed
		Aortic	Pump	Aortic	Pump	Aortic	Pump	Aortic	Pump	Aortic	Pump	Aortic	Pump
Centrifugal	1	1.06	3.20	1.86	2.20	0.95	3.15	1.81	2.15	1.85	2.85	2.50	1.80
	2	1.04	2.79	1.66	1.91	1.19	3.05	1.57	2.24	1.76	2.34	2.57	1.24
Axial	1	0.63	2.06	0.61	2.15	1.08	2.63	1.10	2.59	1.02	2.24	0.81	2.27
	2	0.87	3.06	1.01	2.94	1.10	3.53	1.05	3.50	1.65	3.22	1.73	3.14