Dicționar Român. 2013.
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 — 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
