| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
|---|---|
| JVP | [POMD P 49 - 52] 1) Jugular Vein Pressure 2) Jugular Venous Pulse ... |
| AF | abnormal frequency; acid-fast; adult female; afebrile; aflatoxin; albumin-free; albumose-free; aldeh... |
| AFF | atrial fibrillation; atrial filling fraction; atrial flutter |
| AAT | Aachen Aphasia Test; academic aptitude test; alanine aminotransferase; alkylating agent therapy; alp... |
| LAA | 2--Left Atrial Appendage |
|---|---|
| A | Atrial |
| AF | A-atrial fibrillation |
| ANP | ATRIAL NATRIURETIC PEPTIDE |
| alpha-ANP | Alpha atrial natriuretic peptide |
| atrial | <anatomy> Pertaining to an atrium. (16 Dec 1997) |
|---|---|
| atrial appendage | The small projection from each atrium hanging over like a small ear, more marked on the left, with a small cavity of its own. (05 Mar 2000) |
| atrial arrhythmias | See Arrhythmias, atrial. (12 Dec 1998) |
| atrial arteries | Branches of the right and left coronary arteries distributed to the muscle of the atria. Synonym: arteriae atriales. (05 Mar 2000) |
| atrial auricle | The auricle of atrium. See: left atrium, right atrium. (05 Mar 2000) |
| atrial auricula | A small conical ("ear-shaped") pouch projecting from the upper anterior portion of each atrium of the heart, increasing slightly the atrial volume. See: auricle of left atrium, auricle of right atrium. Synonym: auricula atrialis, atrial auricle, atrial auricula, auricle, auricula, auricular appendage, auricular appendix, skin tag. (05 Mar 2000) |
| atrial bigeminy | Pairing of atrial beats, as when an atrial extrasystole is coupled to each sinus beat. (05 Mar 2000) |
| atrial branches | The atrial branches, the branches of the right coronary artery and the circumflex branch of the left coronary artery distributed to the right and left atrium, respectively. Synonym: rami atriales. (05 Mar 2000) |
| atrial capture beat | The cardiac cycle resulting when, after a period of A-V dissociation, the atria regain control of the ventricles; atrial depolarisation due to retrograde transmission from a ventricular ectopic beat or an electronically paced ventricular impulse. (05 Mar 2000) |
| atrial chaotic tachycardia | Multifocal origin of tachycardia within the atrium; often confused with atrial fibrillation during physical examination. (05 Mar 2000) |
| atrial complex | P wave in the electrocardiogram. Synonym: auricular complex. (05 Mar 2000) |
| atrial diastole | Period of relaxation and repolarization of the atrial muscle. (05 Mar 2000) |
| atrial dipeptidyl carboxyhydrolase | <enzyme> Removes c-terminal phe-arg from atriopeptin II to give atriopeptin i; metalloenzyme with mw 240,000; also has tripeptidyl carboxyhydrolase activity; removes phe-arg-tyr from atriopeptin III to form atriopeptin i Registry number: EC 3.4.15.- (26 Jun 1999) |
| atrial dissociation | Mutually independent beating of the two atria or of parts of the atria. (05 Mar 2000) |
| atrial echo | Electrical reactivation of the atrium by a retrograde impulse returning from the A-V node while the antegrade impulse continues to the ventricle; characterised electrocardiographically, by a pair of P waves enclosing a QRS complex, the second P wave being inverted, indicating that it is the reverse (the retrograde pathway) of the pathway of the first P wave (the antegrade pathway). (05 Mar 2000) |
| arrhythmias, atrial | Abnormal heart rhythm due to electrical disturbances in the atria (the upper chambers of the heart) or the AV node relay station , leading to fast heart beats. Examples of atrial arrhythmias includes atrial fibrillation, atrial flutter, and paroxysmal atrial tachycardia (PAT). (12 Dec 1998) |
|---|---|
| receptors, atrial natriuretic factor | Cell surface proteins that bind atrial natriuretic factor with high affinity and trigger intracellular changes influencing the behaviour of cells. (12 Dec 1998) |
| paroxysmal atrial tachycardia | Bouts of rapid, regular heart beating originating in the atrium (upper chamber of the heart). Due to abnormalities in the av node relay station that lead to rapid firing of electrical impulses from the atrium which bypass the av node under certain conditions. These conditions include alcohol excess, stress, caffeine, overactive thyroid or excessive thyroid hormone intake, and certain drugs. Pat is an example of an arrhythmia where the abnormality is in the electrical system of the heart, while the heart muscle and valves may be normal. (12 Dec 1998) |
| medial atrial vein | A vein that drains deep portions of the parietal and occipital lobes; it runs in the medial wall of the lateral ventricle to empty into the internal cerebral vein or the great cerebral vein. Synonym: vena ventriculi lateralis medialis, medial atrial vein, medial vein of lateral ventricle. (05 Mar 2000) |
| multifocal atrial tachycardia | A rapid heart rate that is generated from multiple locations within the atria. Multifocal atrial tachycardia (MAT) tends to be in the range of 100 to 180 beats per minute. MAT can be seen in association with COPD, pneumonia, CHF, lung cancer, diabetes, pulmonary embolism, theophylline toxicity, coronary artery disease or digoxin toxicity. Origin: Gr. Kardia = heart (27 Sep 1997) |
| heart septal defects, atrial | Defects in the septum between the atria of the heart, due to failure of fusion between either the septum secundum or the septum primum and the endocardial cushions. (12 Dec 1998) |
| septal defect, atrial | A hole in the septum, the wall, between the atria, the upper chambers of the heart. Commonly called an asd. Asds are a major class of heart deformity that is present at birth (congenital cardiac malformation). (12 Dec 1998) |
| septum, atrial | The wall between the two upper chambers (the right and left atrium) of the heart. (12 Dec 1998) |
| subsidiary atrial pacemaker | Secondary source for rhythmic control of the heart, available for controlling cardiac activity if the sinoatrial pacemaker fails; located within the crista terminalis and atrial free wall near the inferior vena cava. (05 Mar 2000) |
| defect, atrial septal | A hole in the septum, the wall, between the atria, the upper chambers of the heart. Commonly called an ASD. ASDs are a major class of congenital cardiac malformation. (12 Dec 1998) |
| intra-atrial | Within one or both of the atria of the heart. (05 Mar 2000) |
| intra-atrial block | Impaired conduction through the atria, manifested by widened and often notched P waves in the electrocardiogram. (05 Mar 2000) |
| intra-atrial conduction | Conduction of the cardiac impulse through the atrial myocardium, represented by the P wave in the electrocardiogram. (05 Mar 2000) |
| intra-atrial conduction time | The total duration of electrical activity of the atria in one cardiac cycle. (05 Mar 2000) |
| tachycardia, ectopic atrial | A tachycardia originating in the atrial myocardium and characterised by rates between 135 and 175 beats per minute. (12 Dec 1998) |
Synonyms : Atrium Appendage, Appendage, Atrial, Appendage, Atrium, Appendage, Auricular, Appendage, Heart Atrium, Appendages, Atrial, Appendages, Atrium, Appendages, Auricular, Appendages, Heart Atrium, Atrial Appendages, Atrium Appendage, Heart, Atrium Appendages
Synonyms : Atrial Fibrillations, Auricular Fibrillations, Fibrillation, Atrial, Fibrillation, Auricular, Fibrillations, Atrial, Fibrillations, Auricular
Synonyms : Atrial Flutters, Auricular Flutters, Flutter, Atrial, Flutter, Auricular, Flutters, Atrial, Flutters, Auricular
Synonyms : Atrial Functions, Function, Atrial, Functions, Atrial
Synonyms : Atrial Functions, Left, Function, Left Atrial, Functions, Left Atrial, Left Atrial Functions
| atrial |
of or relating to a cavity or chamber in the body (especially one of the upper chambers of the heart)
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|---|---|
| atrial fibrillation |
fibrillation of the muscles of the atria of the heart
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|
| atrial septal defect |
an abnormal opening between the left and right atria of the heart
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|
| atrial artery |
the branch of the coronary artery that supplies the muscles of the atria
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|
| atrial auricle |
auricle: a small conical pouch projecting from the upper anterior part of each atrium of the heart
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|
| atrial | (anatomy) of or relating to a cavity or chamber in the body (especially one of the upper chambers of the heart) |
|---|---|
| atrial | the branch of the coronary artery that supplies the muscles of the atria |
| atrial | a small conical pouch projecting from the upper anterior part of each atrium of the heart |
| atrial | fibrillation of the muscles of the atria of the heart |
| atrial | an abnormal opening between the left and right atria of the heart |
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