Results 341 to 350 of about 620,324 (385)
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Computer characterization of sinus rhythm
Journal of Electrocardiology, 1976Sinus rhythm tracings, including sinus tachycardia and bradycardia, are characterized quantitatively by means of an ECG measurement program which has been subjected to rigorous evaluation. The analysis is performed on tracings of short duration (10 sec). The features of regularity and stability are considered for the R wavetrain.
F.A. Roberge +2 more
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Science Translational Medicine, 2019
An implanted light source coupled with local gene therapy generates an automated shock-free system to treat atrial fibrillation in rats. Atrial fibrillation treatment lightens up Atrial fibrillation is an irregular, rapid heartbeat that interrupts normal
E. Nyns +11 more
semanticscholar +1 more source
An implanted light source coupled with local gene therapy generates an automated shock-free system to treat atrial fibrillation in rats. Atrial fibrillation treatment lightens up Atrial fibrillation is an irregular, rapid heartbeat that interrupts normal
E. Nyns +11 more
semanticscholar +1 more source
Entrainment of Ventricular Tachycardia by Sinus Rhythm
Pacing and Clinical Electrophysiology, 1989KREMERS, M.S., et al. Entrainment of Ventricular Tachycardia by Sinus Rhythm Entrainment of ventricular tachycardia (VT) may be manifest as fixed and progressive QRS fusion with ventricular and, rarely, atrial pacing. Only a single example of spontaneous VT entrainment by another rhythm, rapid atrioventricular nodal tachycardia, has been reported. This
José Luís Passos-Coelho +3 more
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Coronary Sinus Rhythm in the Polysplenia Syndrome
Chest, 1973A leftward and superior P wave axis, the so-called coronary sinus rhythm, was found in nine of 12 patients with the typical polysplenia syndrome. These nine patients had the usual developmental abnormalities of the sinus venosus, including absence of the renal to hepatic portion of the inferior vena cava, other associated cardiovascular lesions ...
Robert M. Freedom +2 more
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2000
The driving impulse of the heart ordinarily arises in the P cells of the sinoatrial node. Pace-making foci are not, however, limited to the sinus node; others exist outside of it in the atrial myocardium. This observation has lead some electrocardiographers to speak of the atrial pace-making complex, a term that includes foci both within and outside of
Zainul Abedin, Robert Conner
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The driving impulse of the heart ordinarily arises in the P cells of the sinoatrial node. Pace-making foci are not, however, limited to the sinus node; others exist outside of it in the atrial myocardium. This observation has lead some electrocardiographers to speak of the atrial pace-making complex, a term that includes foci both within and outside of
Zainul Abedin, Robert Conner
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Underdrive Suppression of the Sinus Rhythm in Man
Chest, 1985This report demonstrates unusual responses of the sinus rhythm to atrial pacing. The sinus rhythm failed to become manifest when the heart was driven at a rate slower than the inherent sinus rate. Sinus rhythm returned only after termination of underdrive pacing with the recovery time longer than twice the cycle length of the control sinus rhythm.
József Tenczer +2 more
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Further studies on coronary sinus rhythm∗
The American Journal of Cardiology, 1958Abstract 1. (1) Certain characteristics of coronary sinus rhythm are discussed. 2. (2) Three main forms of this arrhythmia are recognized. 3. (3) It is shown on clinical observation that the differentiation of these three forms and therefore the evaluation of each case may meet with great difficulties in practice.
Bedri Gurbuzer, David Scherf
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Anticoagulation for heart failure in sinus rhythm
2000Patients with chronic heart failure (heart failure) are at risk of thromboembolic events, including stroke, pulmonary embolism and peripheral arterial embolism, whilst coronary ischaemic events also contribute to the progression of heart failure. Long-term oral anticoagulation is established in certain groups, including patients with heart failure and ...
Gregory Y.H. Lip, Irene Chung
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Does Sinus Rhythm Beget Sinus Rhythm?
Pacing and Clinical Electrophysiology, 2004The aim of this study was to determine the effect of early patient activated cardioversion of atrial fibrillation (AF) using the atrial defibrillator on recurrence of AF. Fifteen patients, mean age 63 ± 14 years, 80% men, with drug‐resistant persistent AF were implanted with the Jewel AF atrial defibrillator.
Neil Sulke +4 more
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Superior Vena Cava Rhythm Masquerading as Normal Sinus Rhythm
Journal of Cardiovascular Electrophysiology, 2004We report the case of a patient with persistent cardiac rhythm originating from the superior vena cava (3 cm above the vena cava‐atrial junction). It was detected by noncontact balloon mapping before induction of tachycardia and confirmed by conventional contact mapping with image studies.
Yoga Yuniadi +3 more
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