Left ventricular function in ambulatory dogs during experimental Adams-Stokes seizures
| Autor: | Robert L. Van Citters, Herbert D. Ruttenberg |
|---|---|
| Rok vydání: | 1967 |
| Předmět: |
Pacemaker
Artificial medicine.medical_specialty Contraction (grammar) Heart block Heart Ventricles Blood Pressure Electrocardiography Dogs Internal medicine Strophanthins medicine Animals Asystole Ventricular function business.industry Heart Blood flow medicine.disease Heart Block Anesthesia Ambulatory Ventricular pressure Cardiology Cardiology and Cardiovascular Medicine business Blood Flow Velocity Adams-Stokes Syndrome |
| Zdroj: | The American Journal of Cardiology. 20:350-355 |
| ISSN: | 0002-9149 |
| DOI: | 10.1016/0002-9149(67)90057-4 |
| Popis: | Left ventricular pressure and diameter and aortic blood flow were recorded during asystole in ambulatory dogs with chronic complete heart block. Asystole occurred spontaneously, or was induced by acetylstrophanthidin or pacemaker withdrawal, and was frequently accompanied by convulsions (Adams-Stokes seizures). Left ventricular diameter reached maximal size within one second of asystole and did not increase further even though asystole lasted up to 30 seconds. The end-diastolic diameter following such prolonged asystole was thus practically identical to that recorded at idioventricular rates. In some instances in which asystole exceeded 10 seconds, forward blood flow pulses recorded by the aortic flowmeter were in synchrony with atrial contraction. |
| Databáze: | OpenAIRE |
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