â¢ Describe the three major funding policies used in the defense acquisition financial. management community (annual, incremental and full). â¢ Recognize situations where exceptions to the funding policies are appropriate for the. major appropriation categories of RDT&E, Procurement and O&M.
Also known as heart pump. A ventricular assist device (VAD) is a mechanical pump that supports heart function and blood flow in people who have weakened hearts. These devices can support the function of the left, right, or both heart ventricles. Ventricles are the lower chambers of your heart.
A perfusionist operates a heart-lung machine, which is an artificial blood pump, which propels oxygenated blood to the patientâs tissues while the surgeon operates on the heart. The perfusionist manages the physiological and metabolic demands of the patient while the cardiac surgeon operates on the heart.It is also the perfusionistâs responsibility to deliver the drug that stops the heart.he perfusionist manages the physiological and metabolic demands of the patient while the cardiac surgeon operates on the heart. It is also the perfusionistâs responsibility to deliver the drug that stops the heart.