valve bypass
91Migraines associated with PFO heart defect — PFO, or patent foramen ovale, is a heart valve in humans that usually closes off at or shortly after birth. The valve’s function is to let the circulating blood bypass the lungs, which the body doesn t rely on until a newborn starts breathing air …
92Space Shuttle Solid Rocket Booster — The Space Shuttle Solid Rocket Boosters (SRBs) are the pair of large solid rockets used by the Space Shuttle during the first two minutes of powered flight. They are located on either side of the orange external propellant tank. Each SRB produces …
93Shunt — 1) To move a body fluid, such as cerebrospinal fluid, from one place to another. 2) A catheter (tube) that carries cerebrospinal fluid from a ventricle in the brain to another area of the body. A shunt may be placed to relieve pressure from… …
94DI unit — A DI unit, DI box, Direct Box, or simply DI (variously claimed to stand for direct input, direct injection or direct interface), is a device typically used in recording studios to connect a high impedance, line level, unbalanced output signal to… …
95Artificial pacemaker — Cardiac resynchronization therapy and CRT (Cardiac Resynchronization Therapy) redirect here. For the device termed a CRT D, see Implanted cardiac resynchronization device. For other uses, see Pacemaker (disambiguation). A pacemaker, scale in… …
96Doppler echocardiography — Intervention Mitral valve MeSH …
97jet engine — an engine, as an aircraft engine, that produces forward motion by the rearward exhaust of a jet of fluid or heated air and gases. Also called jet, jet motor. [1940 45] * * * Any of a class of internal combustion engines that propel aircraft by… …
98Electrocardiography — ECG redirects here. For other uses, see ECG (disambiguation). Not to be confused with echocardiogram, electromyogram, electroencephalogram, or EEG. Electrocardiography Intervention Image showing a patient connected to the 10 electrodes necessary …
99Coronary catheterization — A coronary angiogram (an X ray with radiocontrast in the coronary arteries) that shows the left coronary circulation. The distal left main coronary artery (LMCA) is in the left upper quadrant of the image. Its main branches (also visible) are the …
100List of Statutory Instruments of the United Kingdom, 1989 — NOTOC This is a complete list of all 1534 Statutory Instruments published in the United Kingdom in the year 1989.1 100* Criminal Justice Act 1988 (Commencement No. 5) Order 1989 S.I. 1989/1 * Food Protection (Emergency Prohibitions) (Wales)… …
