All patients undergoing general anesthesia at McKenzie Veterinary Services are monitored closely by trained animal health technicians. Their job is to double check the workings, set up of the gas anesthesia machine and to place IV catheters and set fluid pump rates before anesthesia. After anesthetic induction and intubation they monitor and record vital signs such as heart and respiratory rates, blood pressure (with Doppler machines), temperature and depth of anesthesia during the procedure. All the monitoring machines in the world do not replace the eye and ears of a trained technician and their ability to detect and respond to subtle patient changes under anesthesia. Their close monitoring does not end until the patient goes home well recovered.