Diagnostic equipment includes medical imaging machines, used to aid in diagnosis. Examples are ultrasound and MRI machines, PET and CT scanners, and x-ray machines.Treatment equipment includes infusion pumps, medical lasers and LASIK surgical machines.Life support equipment is used to maintain a patient's bodily function. This includes medical ventilators, anesthetic machines, heart-lung machines, ECMO, and dialysis machines.Medical monitors allow medical staff to measure a patient's medical state. Monitors may measure patient vital signs and other parameters including ECG, EEG, and blood pressure.