Ventricular fibrillation due to single, localized induction and condenser shocks applied during the vulnerable phase of ventricular systole

CJ Wiggers, R Wégria - American Journal of Physiology …, 1940 - journals.physiology.org
… unfortunate feature of the arrangement was that the presence of large metal electrodes
deformed standard ecg leads; indeed, this necessary feature for revival prevented use of the R

Effect of increased renal venous pressure on renal function

WD Blake, R Wégria, RP Keating… - American Journal of …, 1949 - journals.physiology.org
METHODS Twenty-two male or female dogs weighing IO to 32 kg. were used. They were
anesthetized with sodium pentobarbital administered intravenously in doses of 30 to 35 mg/kg. …

Effect of systemic venous pressure on drainage of lymph from thoracic duct

R Wégria, H Zekert, KE Walter… - American Journal …, 1963 - journals.physiology.org
In acute experiments on the anesthetized dog, partial or complete occlusion of the left
innominate vein resulting in a rise of pressure in the venous territory into which the thoracic duct …

The effects of myocardial ischemia on the fibrillation threshold—the mechanism of spontaneous ventricular fibrillation following coronary occlusion

CJ Wiggers, R Wegria, B Pinera - American Journal of …, 1940 - journals.physiology.org
In a previous communication (1) we suggested that the current strength of brief DC shocks (ca
0.01 to 0.03 sec.) which are just able to fibrillate the dog’s ventricles when applied during …

[PDF][PDF] The pathogenesis of proteinuria in the acutely congested kidney

R Wégria, NE Capeci, MR Blumenthal… - The Journal of …, 1955 - Am Soc Clin Investig
METHODS Experiments were performed on 26 adult female mon-grel dogs weighing between
10 kg. and 30 kg. The ani-mals were anesthetized by the intravenous administra-tion of …

[PDF][PDF] An experimental study of the immediate hemodynamic adjustments to acute arteriovenous fistulae of various sizes

…, J Lammerant, R Miller, R Wégria - The Journal of …, 1955 - Am Soc Clin Investig
… LAMMERANT, R. MILLER, AND R. WAGRIA 15 seconds of the time of the occlusion of
the fistula. The mean arterial blood pressure also exhibited a transient increase of 5 mm. …

The effect of atrial and ventricular tachycardia on cardiac output, coronary blood flow and mean arterial blood pressure

R Wégria, CW FRANK, HHWA WANG… - Circulation …, 1958 - Am Heart Assoc
Wegria and Keating5 reported that an increase in heart rate in the anesthetized dog produced
a very temporary decrease in coronary flow followed by a rise above control level within …

Quantitative measurement of the fibrillation thresholds of the mammalian ventricles with observations on the effect of procaine

CJ Wiggers, R Wégria - American Journal of Physiology …, 1940 - journals.physiology.org
ventricular that stronger tetanizing currents were necessary to induce fibrillation in dogs after
administration of 5 to 20 mgm. quinidine or 2 to 10 mgm. fagarina I per kilo. He also noted …

[PDF][PDF] The effect of acute arteriovenous fistula on renal functions

…, JR Golub, JH Keating, R Wégria - The Journal of …, 1955 - Am Soc Clin Investig
METHODS Ten adult female dogs were anesthetized by the in-travenous administration of0.
47 to 0.57 cc. per kilogram of a 6 per cent solution of sodium pentobarbital. The trachea was …

Factors determining the production of ventricular fibrillation by direct currents (with a note on chronaxie)

R Wégria, CJ Wiggers - American Journal of Physiology …, 1940 - journals.physiology.org
… 1, R), set to operate ever so slightly out of phase with the heart beat. The speed of the … of
the shock was set by means of the rotating cylinder, R, with a longitudinal V-shaped ga.p which …