Maintaining a stable heartbeat is critical for survival. Your heart must constantly adapt its output to meet changing demands ...
In a cardiac echo test, a wand-like device is used to transmit ultrasound waves against the chest, to produce moving images of the heart. Advances in echocardiography have improved this already ...
However, the medical device company does not have precedence when it comes to use of the four- to five-hour lifespan of the heart on the apparatus, according to Iaizzo. The first two hours are ...