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.
The heart is referred to as a double pump because it serves two circuits of circulation: the systemic circuit and the pulmonary circuit.