Cardiovascular - blood systems
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| Allen test | A measurement of radial/ulnar patency; either the radial ulnar artery is digitally compressed - blood has been forced out of hand by clenching into fist; failure of blood to diffuse into hand when opened indicates artery not compresed is occluded
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| Angiogram | Radiography of arteries after injection of radiopaque contrast material
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| Arterial blood gas | The direct electrode measurement of partial pressure of oxygen and carbon dioxide in the blood as well as pH and chloride levels
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| Bone marrow biopsy | Process of removing bone marrow from living patients for macroscopic diagnostic examination
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| Cardiac catherization | A procedure where catheter passed into heart through a vein or artery to withdraw samples of blood, measure pressure in heart's chambers or great vessels, inject contrast media, used to diagnose & eval of congenital, rheumatic & coronary artery lesions &
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| Cardiac isoenzymes | Chemicals that catalyze same reaction but may be differentiated by variations in physical properties, such as isoelectric point, electrophoretic mobility, kinetic parameters, or modes of regulation. CPK, LDH, AST, Troponin
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| Cardiac stress test | Use of treadmill on patient while connected to a cardiac event monitor to measure cardiac activity while body is under physical activity
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| Clotting studies | Tests used to determine the speed of various plasma components involved in the clotting process, PT, PTT, Factor VIII assay, platelet count, fibrinogen levels
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| Doppler | A diagnostic instrument that emits an ultrasonic beam into body; the ultrasound reflected from moving structures changes its frequency. Of diagnostic value in peripheral vascular and cardiac disease
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| Electrocardiogram | Graphic record of cardiac action
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| Echocardiogram | The use of ultrasound in the investigation of the structure and motion of the heart and great vessels and diagnosis of cardiovascular lesions
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| Erythrocytic sedimentation rate | The rate of settling of red blood cells in anticoagulated blood; increased rates are often associated with anemia or inflammatory states
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| Pulse oximetry | A spectrophotometric device that noninvasively estimates saturation of arterial oxyhemoglobin (SaO2) by use of selected wavelengths of light
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| Sphgmomanometer | An instrument for measuring arterial blood pressure indirectly, consisting of an inflatable cuff, inflating bulb, and a gauge showing the blood pressure
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| Transesophageal echo | Recording of the echocardiogram from a swallowed transducer
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| Ultrasonography | The location, mesurement, delineation of deep structures by measuring reflection of transmission high-frequency or ultrasonic waves. Computer calculation of the distance to the sound-reflecting or absorbing surface - gives a two-dimensional image
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| Venogram | Radiograph of opacified veins
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