hyperventilate - breathe excessively hard and fast; "The mountain climber started to hyperventilate"

care for, treat - provide treatment for; "The doctor treated my broken leg"; "The nurses cared for the bomb victims"; "The patient must be treated right away or she will die"; "Treat the infection with antibiotics"

breathe, take a breath, suspire, respire - draw air into, and expel out of, the lungs; "I can breathe better when the air is clean"; "The patient is respiring"

hyperventilate - produce hyperventilation in; "The nurses had to hyperventilate the patient"