Responsibilities Certified Respiratory Therapist (CRT) monitors and weans Oxygen Therapy and artificial ventilation. Scroll down the page to see all associated job requirements, and any responsibilities successful candidates can expect. The CRT draws, analyzes, and reports Arterial Blood Gases and EKG tests. CRT job responsibilities include, but are not limited to:Deliver intermittent therapy and assist with changing of artificial airways.Perform routine and advanced therapeutic procedures according to established policy and procedure and CPR and bag-mask ventilation. xmvmafu CRT operates, maintains, and repairs respiratory equipment to ensure proper static functioning, cleanliness, and operation.Shift: 3x12 Nights