Nonreentrant supraventricular tachycardia due to double ventricular response via dual atrioventricular nodal pathways. 1996

K Ajiki, and Y Murakawa, and T Yamashita, and N Oikawa, and K Sezaki, and Y Kotsuka, and A Furuse, and M Omata
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo, Japan.

Narrow and wide QRS tachycardias associated with various rhythm disturbances were recognized during 24-hour ambulatory eletrocardiographic monitoring in a 65-year-old man with coronary artery disease. Laddergram analysis revealed the presence of dual atrioventricular nodal pathways. Non-reentrant supraventricular tachycardia due to simultaneous fast and slow conduction through the dual atrioventricular nodal pathways was confirmed by electrophysiologic study. The atrial rate determined the occurrence of simultaneous conduction, and extrastimulation failed to induce a double ventricular response. Enhanced vagal activity was thought to play a critical role in provoking this phenomenon. Radiofrequency catheter ablation of the slow pathway eliminated the arrhythmias.

UI MeSH Term Description Entries
D008297 Male Males
D002304 Cardiac Pacing, Artificial Regulation of the rate of contraction of the heart muscles by an artificial pacemaker. Pacing, Cardiac, Artificial,Artificial Cardiac Pacing,Artificial Cardiac Pacings,Cardiac Pacings, Artificial,Pacing, Artificial Cardiac,Pacings, Artificial Cardiac
D003327 Coronary Disease An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels. Coronary Heart Disease,Coronary Diseases,Coronary Heart Diseases,Disease, Coronary,Disease, Coronary Heart,Diseases, Coronary,Diseases, Coronary Heart,Heart Disease, Coronary,Heart Diseases, Coronary
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
D006328 Cardiac Catheterization Procedures in which placement of CARDIAC CATHETERS is performed for therapeutic or diagnostic procedures. Catheterization, Cardiac,Catheterization, Heart,Heart Catheterization,Cardiac Catheterizations,Catheterizations, Cardiac,Catheterizations, Heart,Heart Catheterizations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D001283 Atrioventricular Node A small nodular mass of specialized muscle fibers located in the interatrial septum near the opening of the coronary sinus. It gives rise to the atrioventricular bundle of the conduction system of the heart. AV Node,A-V Node,Atrio-Ventricular Node,A V Node,A-V Nodes,AV Nodes,Atrio Ventricular Node,Atrio-Ventricular Nodes,Atrioventricular Nodes,Node, A-V,Node, AV,Node, Atrio-Ventricular,Node, Atrioventricular,Nodes, A-V,Nodes, AV,Nodes, Atrio-Ventricular,Nodes, Atrioventricular
D013617 Tachycardia, Supraventricular A generic expression for any tachycardia that originates above the BUNDLE OF HIS. Supraventricular Tachycardia,Supraventricular Tachycardias,Tachycardias, Supraventricular
D015716 Electrocardiography, Ambulatory Method in which prolonged electrocardiographic recordings are made on a portable tape recorder (Holter-type system) or solid-state device ("real-time" system), while the patient undergoes normal daily activities. It is useful in the diagnosis and management of intermittent cardiac arrhythmias and transient myocardial ischemia. Ambulatory Electrocardiography,Electrocardiography, Dynamic,Electrocardiography, Holter,Holter ECG,Holter EKG,Holter Monitoring,Monitoring, Ambulatory Electrocardiographic,Monitoring, Holter,Ambulatory Electrocardiography Monitoring,Dynamic Electrocardiography,Electrocardiography Monitoring, Ambulatory,Holter Electrocardiography,Ambulatory Electrocardiographic Monitoring,ECG, Holter,ECGs, Holter,EKG, Holter,EKGs, Holter,Electrocardiographic Monitoring, Ambulatory,Holter ECGs,Holter EKGs,Monitoring, Ambulatory Electrocardiography

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