| CTSNFR | corrected time of sinoatrial node function recovery |
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| DSACT, D-SACT | direct sinoatrial conduction time |
| SA | salicylic acid; saline [solution]; salt added; sarcoidosis; sarcoma; scalenus anticus; secondary ame... |
| S-A | sinoatrial; sinoauricular |
| SAB | Scientific Advisory Board; serum albumin; significant asymptomatic bacteriuria; sinoatrial block; So... |
| SAN | Sinoatrial node |
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| sinoatrial | <anatomy> Relating to the sinus venosus and the right atrium of the heart. Synonym: sinuatrial. (20 Jun 2000) |
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| sinoatrial block | <cardiology, physiology> Disturbance of heart conduction in which the atrial response is delayed or omitted because of partial or complete interference with the propagation of impulses from the sinoatrial node to the atria. (12 Dec 1998) |
| sinoatrial chamber | <anatomy> The common chamber formed by the single embryonic atrium and the right and left horns of the sinus venosus. (20 Jun 2000) |
| sinoatrial conduction time | <cardiology, physiology> The time required for an impulse to travel from the sinoatrial node to the atrium; estimated indirectly during asystole by halving the average interval from the premature beat to the following normal sinus beat of the atrium. (05 Mar 2000) |
| sinoatrial nodal artery | <anatomy, artery> A branch usually of the right coronary artery that supplies the sinuatrial node. Synonym: sinus node artery. (05 Mar 2000) |
| sinoatrial node | <anatomy, cardiology, physiology> The impulse generating (pacemaker) tissue located in the right atrium, under the epicardium at the upper end of the sulcus terminalis. The specialised cardiac muscle fibres generate cardiac impulses that normally acts as the pacemaker of the cardiac conduction system. Normal impulses start in the sinoatrial node and are transmitted to the ventricles, through the atrioventricular node and into the bundle of His. Synonym: nodus sinuatrialis, atrionector, Flack's node, Keith and Flack node, Keith's node, Koch's node, sinoatrial node, sinus node. (20 Jun 2000) |
| sinoatrial recovery time | <cardiology, physiology> Interval from the last paced P wave to the first succeeding spontaneous P wave (after 2 to 5 minutes of right atrial pacing at 120 to 140 beats per minute, and when expressed as percentage of control cycle length, it normally ranges from 115 to 159%). (05 Mar 2000) |
| tachycardia, sinoatrial nodal reentry | A tachycardia arising from the sinus node region and characterised by rates between 115 and 140 beats per minute. It is paroxysmal rather than constant. (12 Dec 1998) |
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Synonyms : Block, Sinoatrial, Blocks, Sinoatrial, Sinoatrial Blocks
Synonyms : Sino-Atrial Node, Sinu-Atrial Node, Node, Sino-Atrial, Node, Sinoatrial, Node, Sinu-Atrial, Node, Sinuatrial, Node, Sinus, Nodes, Sino-Atrial, Nodes, Sinoatrial, Nodes, Sinu-Atrial, Nodes, Sinuatrial, Nodes, Sinus, Sino Atrial Node, Sino-Atrial Nodes, Sinus Nodes
| sinoatrial node |
pacemaker: a specialized bit of heart tissue that controls the heartbeat
Ãâó: wordnet.princeton.edu/perl/webwn
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| sinoatrial block |
sinoatrial exit block, a disturbance in which the atrial response is delayed or omitted because of partial or complete interference with the propagation of impulses from the sinoatrial node to the atria.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| sinoatrial node |
A specialized cluster of cells in the heart that initiates the heart beat. Known as the heart's natural pacemaker.
Ãâó: www.clevelandclinic.org/heartcenter/pub/glossary/s...
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| sinoatrial |
(SA) node: the small area in the upper right chamber of your heart that normally generates an electrical impulse. This impulse runs through the heart and causes the heart to beat.
Ãâó: www.austinheart.com/patients_mi_mt.html
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| sinoatrial heart block |
A partial or complete heart block characterized by interference in the passage of impulses from the sinoatrial node. SEE: sick sinus syndrome.
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| sinoatrial | a specialized bit of heart tissue that controls the heartbeat |
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