[Anterograde tachycardia caused by the antitachycardia mechanism in a DDD pacemaker]. 1990

J Sieres Pérez, and C Botana Albá, and J Franco Mariño, and C Miguez Baños
Unidad de Cuidados Intensivos, Centro Médico Povisa, Vigo, Pontevedra.

If there is a demonstrable ventriculo-atrial conduction at the time of a DDD pacemaker implantation, the possibility of a pacemaker mediated tachycardia is always present. The latest technological advances tries to solve this problem by the refractory time programmability and specially by the automatic extension of the atrial refractory period. A new and special mode of premature ventricular contraction-synchronous atrial stimulus has been developed as an additional and more effective mechanism anti pacemaker mediated tachycardia. We present one case in which this anti pacemaker mediated tachycardia mode just unchains one tachycardia. The understanding of this tachycardia doesn't offer difficulties and the correction would be made by different steps.

UI MeSH Term Description Entries
D010138 Pacemaker, Artificial A device designed to stimulate, by electric impulses, contraction of the heart muscles. It may be temporary (external) or permanent (internal or internal-external). Cardiac Pacemaker, Artificial,Artificial Cardiac Pacemaker,Artificial Cardiac Pacemakers,Artificial Pacemaker,Artificial Pacemakers,Cardiac Pacemakers, Artificial,Pacemaker, Artificial Cardiac,Pacemakers, Artificial,Pacemakers, Artificial Cardiac
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
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D013610 Tachycardia Abnormally rapid heartbeat, usually with a HEART RATE above 100 beats per minute for adults. Tachycardia accompanied by disturbance in the cardiac depolarization (cardiac arrhythmia) is called tachyarrhythmia. Tachyarrhythmia,Tachyarrhythmias,Tachycardias

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