Atrial

Atrial
Atrial A"tri*al, a. Of or pertaining to an atrium. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • atrial — ATRIÁL, Ă, atriáli, e, adj. Referitor la atriu. (cf. fr., germ. atrial) Trimis de tavi, 13.03.2008. Sursa: MDN  ATRIÁL adj. v. DEFIBRILATOR. (med.; şi în sintagma defibrilator cardiac) Aparat electronic folosit în tratamentul fibrilaţiei atriale …   Dicționar Român

  • atrial — Relating to an atrium. * * * atri·al ā trē əl adj of, relating to, or affecting an atrium <atrial electrical activity> <atrial disorders> …   Medical dictionary

  • atrial — atrium ► NOUN (pl. atria or atriums) 1) a central hall rising through several storeys and having a glazed roof. 2) an open central court in an ancient Roman house. 3) Anatomy each of the two upper cavities of the heart. DERIVATIVES atrial… …   English terms dictionary

  • Atrial flutter — is an abnormal heart rhythm that occurs in the atria of the heart. When it first occurs, it is usually associated with a fast heart rate or tachycardia, and falls into the category of supra ventricular tachycardias. While this rhythm occurs most… …   Wikipedia

  • Atrial septostomy — is a surgical procedure in which a small hole is created between the upper two chambers of the heart, the atria. This procedure is primarily used to treat dextro Transposition of the great arteries or d TGA (often imprecisely called transposition …   Wikipedia

  • Atrial fibrillation with rapid ventricular response — (afib with RVR) is a type of abnormally fast heart rate (tachyarrhythmia) that may present as a medical emergency. It may be considered a form of supraventricular tachycardia(SVT). It is characterized by chaotic atrial activity known as atrial… …   Wikipedia

  • atrial natriuretic factor — n ATRIAL NATRIURETIC peptide abbr. ANF * * * (ANF) 1. atrial natriuretic peptide. 2. sometimes more specifically, the prohormone form of atrial natriuretic peptide …   Medical dictionary

  • Atrial volume receptors — are low pressure baroreceptors found in the atria.When pressure drops in the atria, indicating a drop in blood volume, a signal is sent from the atrial volume receptors to the hypothalamus. The hypothalamus, in turn, stimulates the production of… …   Wikipedia

  • atrial fibrillation — n very rapid uncoordinated contractions of the atria of the heart resulting in a lack of synchronism between heartbeat and pulse beat called also auricular fibrillation * * * see fibrillation * * * (AF) (AFib) an arrhythmia in which minute areas… …   Medical dictionary

  • atrial natriuretic peptide — n a peptide hormone secreted by myocytes of the cardiac atria that in pharmacological doses promotes salt and water excretion and lowers blood pressure abbr. ANP * * * (ANP) a hormone involved in natriuresis and the regulation of renal and… …   Medical dictionary

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