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Arterial venous excercise

B Levy, A Ghaem, J M Verpillat, J P Martineaud
Measurements were made in man of heart rate (Fc), arterial blood pressure (Pa), cutaneous blood flow (Z) (by plethysmography of the hand) as well as variation sin venous volume (deltaV) in the course of muscular exercise of 70 Watts intensity corresponding from 48% to 60% of the maximal oxygen consumtion of the subjects. These exercises were carried out at ambient temperatures of 22 degrees and 29 degrees C. for 8 min. In every case, an initial lowering of the Q and deltaV followed by a progressive climb was found...
August 29, 1975: Pflügers Archiv: European Journal of Physiology
I Astrand, A Kilbom, P Ovrum
Fifteen healthy male subjects were exposed to 1,250 and 2,500 mg/m3 of white spirit in inspiratory air during rest and excercise on a bicycle ergometer. The white spirit contained approximately 83% aliphatic and 17% aromatic components. The duration of each exposure period was 30 minutes. The pulmonary ventilation, the cardiac output, and the concentration of white spirit (subdivided into aromatic and aliphatic components) in alveolar air, arterial blood, and venous blood were determined during and after exposure...
March 1975: Scandinavian Journal of Work, Environment & Health
A W Langer, P A Obrist, J A McCubbin
The purpose of this study was to examine whether the hemodynamic and metabolic consequences of a physical (treadmill excercise) and behavioral (signaled shock-avoidance) stressor could be differentiated. To do this, direct continuous recordings of cardiac output, systolic and diastolic blood pressure, and discrete determinations of the arterial-mixed venous oxygen ((a-v)O2) content difference were analyzed in six dogs during exposure to three grades of treadmill exercise and when working on a shock-avoidance task...
February 1979: American Journal of Physiology
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