Atrial dissociation. A case of unilateral slow atrial rhythm. 1988

A Szekely, and K Zamolyi, and A Harsanyi, and E Kekes
Coronary Care Unit, Postgraduate Medical School, Budapest, Hungary.

Atrial dissociation is a very rare, transient arrhythmia frequently associated with intractable congestive heart failure. A case of atrial dissociation in a 48-year-old woman was observed in the first 72 hours of her recent inferolateral and probably atrial infarction. The slow unilateral rhythm was registered in the presence of sinus rhythm, 2:1 AV block, advanced AV block and ventricular pacemaker stimulation, respectively. The simultaneous right atrial electrogram indicated the origin of the isolated slow rhythm as left atrial. After temporary pacemaker therapy the atrial dissociation disappeared within three days; on the fifth day the normal sinus rhythm was restored spontaneously.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009203 Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION). Cardiovascular Stroke,Heart Attack,Myocardial Infarct,Cardiovascular Strokes,Heart Attacks,Infarct, Myocardial,Infarction, Myocardial,Infarctions, Myocardial,Infarcts, Myocardial,Myocardial Infarctions,Myocardial Infarcts,Stroke, Cardiovascular,Strokes, Cardiovascular
D004562 Electrocardiography Recording of the moment-to-moment electromotive forces of the HEART as projected onto various sites on the body's surface, delineated as a scalar function of time. The recording is monitored by a tracing on slow moving chart paper or by observing it on a cardioscope, which is a CATHODE RAY TUBE DISPLAY. 12-Lead ECG,12-Lead EKG,12-Lead Electrocardiography,Cardiography,ECG,EKG,Electrocardiogram,Electrocardiograph,12 Lead ECG,12 Lead EKG,12 Lead Electrocardiography,12-Lead ECGs,12-Lead EKGs,12-Lead Electrocardiographies,Cardiographies,ECG, 12-Lead,EKG, 12-Lead,Electrocardiograms,Electrocardiographies, 12-Lead,Electrocardiographs,Electrocardiography, 12-Lead
D005260 Female Females
D006325 Heart Atria The chambers of the heart, to which the BLOOD returns from the circulation. Heart Atrium,Left Atrium,Right Atrium,Atria, Heart,Atrium, Heart,Atrium, Left,Atrium, Right
D006327 Heart Block Impaired conduction of cardiac impulse that can occur anywhere along the conduction pathway, such as between the SINOATRIAL NODE and the right atrium (SA block) or between atria and ventricles (AV block). Heart blocks can be classified by the duration, frequency, or completeness of conduction block. Reversibility depends on the degree of structural or functional defects. Auriculo-Ventricular Dissociation,A-V Dissociation,Atrioventricular Dissociation,A V Dissociation,A-V Dissociations,Atrioventricular Dissociations,Auriculo Ventricular Dissociation,Auriculo-Ventricular Dissociations,Block, Heart,Blocks, Heart,Dissociation, A-V,Dissociation, Atrioventricular,Dissociation, Auriculo-Ventricular,Dissociations, A-V,Dissociations, Atrioventricular,Dissociations, Auriculo-Ventricular,Heart Blocks
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013612 Tachycardia, Ectopic Atrial Abnormally rapid heartbeats originating from one or more automatic foci (nonsinus pacemakers) in the HEART ATRIUM but away from the SINOATRIAL NODE. Unlike the reentry mechanism, automatic tachycardia speeds up and slows down gradually. The episode is characterized by a HEART RATE between 135 to less than 200 beats per minute and lasting 30 seconds or longer. Atrial Ectopic Tachycardia,Ectopic Atrial Tachycardia,Atrial Ectopic Tachycardias,Atrial Tachycardia, Ectopic,Atrial Tachycardias, Ectopic,Ectopic Atrial Tachycardias,Ectopic Tachycardia, Atrial,Ectopic Tachycardias, Atrial,Tachycardia, Atrial Ectopic,Tachycardias, Atrial Ectopic,Tachycardias, Ectopic Atrial
D013617 Tachycardia, Supraventricular A generic expression for any tachycardia that originates above the BUNDLE OF HIS. Supraventricular Tachycardia,Supraventricular Tachycardias,Tachycardias, Supraventricular

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