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Arterial Blood Gas Tensions and pH During Attacks of Bronchial Asthma.

Felix M. Cortes, M.D. (Associate); Richard Mitchell, M.D.; William Fewell, M.D.; and Howard Baier, M.D.
Ann Intern Med. 1966;64(5):1180. doi:10.7326/0003-4819-64-5-1180_1
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Forty-eight patients presenting themselves to the emergency department with attacks of bronchial asthma were selected for studies. On examination all the patients were experiencing moderate to severe respiratory distress with prolonged expiratory phase and diffuse expiratory wheezes. Arterial blood for determination of pH, PCO2 and PO2 was obtained before any treatment was instituted.

The results revealed that based on the arterial gas tension and pH, these patients fell into various groups: (1) normal findings (7 cases), (2) arterial unsaturation with normal PCO2 (21 cases), (3) respiratory acidosis (10 cases), (4) respiratory alkalosis (10 cases). These studies show some of the


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