​Differential diagnosis of causes of respiratory alkalosis

​Differential diagnosis of causes of respiratory alkalosis 
-mechanical over ventilation 
-heat exposure 
-recovery from metabolic acidosis 
-hepatic failure 
-pharmacological or hormonal due to nicotine, caffeine, salicylates or pregnancy 
-sepsis trauma 
-CNS lesion 
-anxiety- hyperventilation syndrome 
-high altitude 
-severe anemia 
-hypotension 
-pulmonary edema 
-pulmonary embolism 
-pneumonia 
-interstitial lung disease