This study of Da Costa’s syndrome and hyperventilation-based illness spans 25 years and 3500 patients. With the first 2000, clinical diagnosis was backed by laboratory control—spirometry, blood gases, and end-tidal Pco2; latterly, clinical criteria alone have been used. Measurements rarely enhance the evidence of the experienced eye (Lum, 1975, 1976, 1977, 1978, 1981, 1987).
KeywordsPanic Attack Mitral Valve Prolapse Respiratory Alkalosis High Protein Intake Cortical Arousal
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