In respiratory medicine, a flutter valve (also Pneumostat valve, and Heimlich valve) is a one-way check valve used to prevent airflow back into a chest...

flutter, a common abnormal heart rhythm Ventricular flutter, a tachycardia affecting the ventricles with a rate over 250-350 beats/min Flutter valve,...

oxygen system for ambulatory patients and the Heimlich Chest Drain Valve, or "flutter valve", which drains blood and air out of the chest cavity. Heimlich...

duckbill valve or flutter valve, which are pushed open to allow blood flow and which then close together to seal and prevent backflow. The mitral valve has...

marine toilet. Also known as a spear valve or flutter valve, this automatic device serves as a gas exhaust valve on the inside of some twin-hose diving...

blowoff valve (also called dump valve or compressor bypass valve) is a pressure release system present in most petrol turbocharged engines. Blowoff valves are...

larger, semi-rigid, fenestrated plastic tube, which often involves a flutter valve or underwater seal. The concept of chest drainage was first advocated...

Mitral Valve Prolapse murmur Heart sounds of a 16-year-old girl diagnosed with mitral valve prolapse and mitral regurgitation. Auscultating her heart,...

Atrial flutter (AFL) is a common abnormal heart rhythm that starts in the atrial chambers of the heart. When it first occurs, it is usually associated...

the aorta begins), such that problems result. It may occur at the aortic valve as well as above and below this level. It typically gets worse over time...