Search Results - "Sasyniuk, Betty I."

A Mechanism for Reentry in Canine Ventricular Tissue by SASYNIUK, BETTY I, MENDEZ, CARLOS

“…In isolated canine papillary muscle-false tendon preparations it was possible by selecting the pattern of stimulation to obtain conduction block within the…”
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Frequency- and voltage-dependent effects of disopyramide in canine Purkinje fibers by Flemming, M A, Sasyniuk, B I

“…The voltage- and frequency-dependent blocking actions of disopyramide were assessed in canine Purkinje fibers within the framework of concentrations, membrane…”
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Experimental amitriptyline intoxication: treatment of cardiac toxicity with sodium bicarbonate by Sasyniuk, B I, Jhamandas, V, Valois, M

“…Overdose with amitriptyline and other tricyclic antidepressants can result in ventricular conduction abnormalities as well as severe ventricular arrhythmias…”
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Disopyramide phosphate: is it just another quinidine by Kus, T, Sasyniuk, B I

“…We compared the effects of a therapeutic concentration of disopyramide with those of quinidine and lidocaine on the action potential characteristics and on the…”
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The effect of destruction of the bundle of His or the atrioventricular node on cyclopropane-adrenaline cardiac arrhythmias by Sasyniuk, B I, Dresel, P E

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Polymorphic ventricular tachycardias induced by D-sotalol and phenylephrine in canine preparations of atrioventricular block : initiation in the conduction system followed by spatially unstable re-entry by DERAKHCHAN, K, CARDINAL, R, BRUNET, S, KLUG, D, PHARAND, C, KUS, T, SASYNIUK, B. I

“…Polymorphic ventricular tachycardias (PVT) occur spontaneously in canine hearts under the combination of D-sotalol (S), bradycardia and phenylephrine (PE). We…”
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Concept of reentry versus automaticity by Sasyniuk, Betty I.

“…Arrhythmias can result from abnormal impulse initiation or conduction. Abnormal initiation results from either automatlcity or triggered activity. Enhanced…”
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Recent advances in understanding the mechanisms of drug-induced torsades de pointes arrhythmias by Sasyniuk, Betty I., Valois, Maria, Toy, William

“…QTU prolongation and polymorphic ventricular rachycardia “torsades de pointes” have occurred in association with electrolyte abnormalities and during therapy…”
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Experimental amitriptyline intoxication: electrophysiologic manifestations and management by Nattel, S, Keable, H, Sasyniuk, B I

“…Amitriptyline intoxication can result in severe ventricular arrhythmias that may be refractory to medical management. The mechanisms of these arrhythmias are…”
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Pharmacologic considerations in the therapy of neonatal apnea by Aranda, J V, Grondin, D, Sasyniuk, B I

“…Theophylline and caffeine are both effective stimulants of the central nervous system for the therapy of neonatal apnea. Both drugs are slowly eliminated from…”
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Electrophysiological Actions of Disopyramide Phosphate on Canine Ventricular Muscle and Purkinje Fibers by Kus, Teresa, Sasyniuk, Betty I

“…Disopyramide phosphate is a new antiarrhythmic drug that has been shown to possess significant antiarrhythmic effects in animals and man. In the present…”
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In Vitro Preparation of Infarcted Myocardium by Sasyniuk, Betty I.

“…An isolated ventricular endocardial preparation removed from canine hearts one to two days after coronary artery occlusion and superfused in vitro is…”
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Furosemide and vitamin E. Two problem drugs in neonatology by Aranda, J V, Chemtob, S, Laudignon, N, Sasyniuk, B I

“…This article focuses on some of the problems encountered with two of the drugs currently given to newborns…”
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Pharmacokinetics of diuretics and methylxanthines in the neonate by Aranda, J V, Turmen, T, Sasyniuk, B I

“…The elimination of diuretics and methylxanthines is considerably slower in the neonate than in the adult. Dose guidelines, especially during long term…”
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The effect of diphenylhydantoin on conduction in isolated, blood-perfused dog hearts by Sasyniuk, B I, Dresel, P E

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