More details to follow.â Malaysia Airlines (@MAS) July 17, 2014. Nine Britons, 23 US citizens and 80 children are reported to be among the 298 people killed when a Malaysia Airlines jet crashed near the eastern Ukraine border on Thursday.
A cardiac ___ is a battery-powered device that is implanted under the skin and wired to the SA node in the heart. pacemaker An ultrasound procedure that directs sound waves through the heart to evaluate heart function is called?
Medical Definition of heart valve. : any of the valves that control blood flow to and from the heart and that include the atrioventricular valves, the aortic valve, and the pulmonary valveâcalled also cardiac valve.