perfusion defect

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• ventilation-perfusion scanning — a nuclear medicine technique in which two different isotopes are used, one inhaled (usually xenon 133 or krypton 81m), to examine lung ventilation, and one injected, to examine lung perfusion. In pulmonary embolism, the area of lung supplied by… …   Medical dictionary

• ventilation-perfusion scanning — V/Q scanning a nuclear medicine technique in which two different isotopes are used, one inhaled (usually xenon 133 or krypton 81m), to examine lung ventilation, and one injected, to examine lung perfusion. In pulmonary embolism, the area of lung… …   The new mediacal dictionary

• Myocardial perfusion imaging — Intervention Nuclear medicine myocardial perfusion scan with Thallium 201 for the rest images (bottom rows) and Tc Sestamibi for the stress images (top rows). The nuclear medicine myocardial perfusion scan plays a pivotal role in the noninvasive… …   Wikipedia

• Ventilation/perfusion scan — A ventilation/perfusion lung scan, also called a V/Q lung scan, is a type of medical imaging used to evaluate the circulation of air and blood within a patient s lungs. The ventilation part of the test looks at the ability of air to reach all… …   Wikipedia

• Cardiovascular Magnetic Resonance — (CMR), sometimes know as cardiac MRI is a medical imaging technology for the non invasive assessment of the function and structure of the cardiovascular system. It is derived from and based on the same basic principles as Magnetic Resonance… …   Wikipedia

• PDS — pain dysfunction syndrome; Paris dosimetry system [radiotherapy]; paroxysmal depolarizing shift; patient data system; Patient Doctor Society; pediatric surgery; penile Doppler study; perfusion defect size; peritoneal dialysis system; personnel… …   Medical dictionary

• PDS — • pain dysfunction syndrome; • Paris dosimetry system [radiotherapy]; • paroxysmal depolarizing shift; • patient data system; • Patient Doctor Society; • pediatric surgery; • penile Doppler study; • perfusion defect size; • peritoneal dialysis… …   Dictionary of medical acronyms & abbreviations

• Cardiopulmonary bypass — (CPB) is a technique that temporarily takes over the function of the heart and lungs during surgery, maintaining the circulation of blood and the oxygen content of the body. The CPB pump itself is often referred to as a Heart Lung Machine or the… …   Wikipedia

• syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… …   Medical dictionary

• Multifunction cardiogram — Multifunction CardioGramTM (MCGTM) is an FDA and AMA approved diagnostic tool used to diagnose myocardial ischemia due to Coronary Artery Disease (CAD). MCG records resting ECG data between the Myocardium and intra cardiac blood flow to… …   Wikipedia

• test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary