Profile: New Life Medical Systems provides a wide range of anesthesia machines and all other medical equipments. Our continuous wave doppler uses two doppler crystals one acting as a transmitter and the other as a receiver. Because of the continuous mode of transmitting and receiving, information about blood flow is obtained all along the ultrasound beam without any indication of the depth. Pulsed wave doppler emits multiple small pulses of ultrasound beams which reach the sampling point and return, giving information of blood flow only in the area of interest.