Fig. 2From: Comparison of four handheld point-of-care ultrasound devices by expert usersParasternal long-axis view by four handheld ultrasound devices. Parasternal long-axis views acquired from the same standardized patient in early systole with the mitral valve closed and aortic valve open are shown from the A Butterfly IQ+™ (Butterfly Network, Inc.), B Kosmos™ (Echonous, Inc.), C Lumify™ (Phillips Healthcare), and D Vscan Air™ (General Electric)Back to article page