atrial

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 adjective.
ORIGIN Latin.

English terms dictionary. 2015.

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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 — A tri*al, a. Of or pertaining to an atrium. [1913 Webster] …   The Collaborative International Dictionary of English

  • 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 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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