French Professor Armand Trousseau (1801–1867) devised the maneuver of occluding the brachial artery by squeezing, to trigger cramps in the fingers. This is now known as the Trousseau sign of latent tetany. Also, tetany can be demonstrated by tapping anterior to the ear, at the emergence of the facial nerve. A resultant twitch of the nose or lips suggests low calcium levels. This is now known as the Chvostek sign. EMG studies reveal single or often grouped motor unit discharges at low discharge frequency during tetany episodes.
symptom of Respiratory alkalosis
symptom of Mouth breathing
symptom of Hypoxia 
symptom of Hypotension
symptom of Hyperthermia
symptom of Hyponatremia
symptom of Hyperkalemia
symptom of Acute respiratory distress syndrome