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Table 1 Causes of hypocapnia

From: Bench-to-bedside review: Carbon dioxide

Hypoxemia Altitude, pulmonary disease
Pulmonary disorders Pneumonia, interstitial pneumonitis, fibrosis, edema, pulmonary emboli, vascular disease, bronchial asthma, pneumothorax
Cardiovascular system disorders Congestive heart failure, hypotension
Metabolic disorders Acidosis (diabetic, renal, lactic), hepatic failure
Central nervous system disorders Psychogenic/anxiety hyperventilation, central nervous system infection, central nervous system tumors
Drug induced Salicylates, methylxanthines, β-adrenergic agonists, progesterone
Miscellaneous Fever, sepsis, pain, pregnancy