Fig. 8From: Optoelectronic system for the determination of blood volume in pneumatic heart assist devicesExemplary results of dynamic tests carried out on the physical model of the human circulatory system in various conditions of heart support in the time domain (a, b AHR = 30, c AHR = 50) and comparison of the results of measurements acquired using the optical system and the system based on flow rate sensors (d)Back to article page