Rate of change of carbon dioxide tension in arterial blood, jugular venous blood and cisternal cerebrospinal fluid on carbon dioxide administration.
نویسندگان
چکیده
منابع مشابه
The Carbon Dioxide Tension of Cerebrospinal Fluid
The COz tension is a necessary factor in determining the acidbase equilibrium of the blood. It has been determined for blood both directly, and indirectly through CO2 of the alveolar air. The blood, because of oxidation, reduction, forced breathing, and stasis through constriction of the veins, undergoes variations in the COz tension. Does the cerebrospinal fluid which exists in a more isolated...
متن کاملIi. the Carbon Dioxide Absorption Curve and Carbon Dioxide Tension of the Blood in Cardiac Dyspnea
In cardiac dyspnea the carbon dioxide tension of the alveolar air as determined by the Haldane method is lower than normal in comparison with the plasma bicarbonate as measured by means of the Van Slyke pipette (1, 2). The ratio between these two in health and in most pathological conditions has been shown by Van Slyke, Stillman, and Cullen (3), Walker and Frothingham (4), and Peters (1, 5) to ...
متن کاملprediction of arterial blood ph and partial pressure of carbon dioxide from venous blood samples in patients receiving mechanical ventilation
background: substitution of arterial with venous blood samples to estimate blood gas status is highly preferable due to practical and safety concerns. numerous studies support the substitution of arterial by venous blood samples, reporting strong correlations between arterial and venous values. this study further investigated the predictive ability of venous blood samples for arterial acid-base...
متن کاملThe Carbon Dioxide Equilibrium in Alveolar Air and Arterial Blood
It is a familiar thesis that if the diffusing apparatus of the lung permits 95 per cent saturation of the blood with oxygen, substantial equilibrium between the carbon dioxide pressures on opposite sides of the alveolar membrane will be attained. The principal supporting argument is the fact that carbon dioxide diffuses 20 to 30 times as rapidly as oxygen. It is assumed that the transfer of eac...
متن کاملRelationship of carbon dioxide tension in arterial blood to pulmonary wedge pressure in heart failure.
Hypocapnia contributes to the genesis of Cheyne-Stokes respiration and central sleep apnoea in patients with congestive heart failure (CHF) and is associated with increased mortality. However, the cause of hypocapnia in patients with chronic stable CHF is unknown. Since pulmonary congestion can induce hyperventilation via stimulation of pulmonary vagal afferents, the present study tested the hy...
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ژورنال
عنوان ژورنال: The Journal of Physiology
سال: 1965
ISSN: 0022-3751
DOI: 10.1113/jphysiol.1965.sp007672