Mar 1, 1976

Acid-base values of standardbred horses recovering from strenuous exercise

American Journal of Veterinary Research
H KrzywanekL G Smith

Abstract

Blood gases, lactic acid concentrations, and pH were measured in arterial and mixed venous blood in moderately conditioned Standardbred horses after a standardized exercise load of 1.6 km in 2 minutes, 40 seconds. Samples were obtained at rest, immediately after exercise, and at 3, 6, 15, 30, and 60 minutes after exercise. Arterial oxygen tension and mixed venous oxygen tension increased after exercise, reaching peak values at 6 minutes. Arterial oxygen tension returned to the resting (preexercise) value by 15 minutes, and mixed venous oxygen tension by 30 minutes. Arterial carbon dioxide tension decreased immediately after exercise, reaching its lowest value at 6 minutes, and returned to resting value by 30 minutes. Mixed venous carbon dioxide tension reached its highest value immediately after exercise, then decreased to less than the resting value, reaching its lowest value by 15 minutes, and returned to normal by 60 minutes. Lactic acid concentration increased immediately after exercise, reaching its highest value at 6 minutes, and returned toward normal by 60 minutes. Arterial pH decreased immediately after exercise, reaching its lowest value at 6 minutes, and returned to normal by 60 minutes. Mixed venous pH reached its l...Continue Reading

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Mentioned in this Paper

Arterial Blood pH Measurement
Dioxygen
Mixed Venous pH
Measurement of Venous Partial Pressure of Oxygen
Oxygen Measurement, Partial Pressure, Arterial
Blood Gas
Lactic Acid Measurement
Lactates
Blood
PvCO2 - Mixed Venous Partial Pressure of Carbon Dioxide Measurement

About this Paper

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