rate - The number of times a stimulating pulse is delivered each second.
red blood cell (RBC) - Cellular elements contained in shole blood that are directly erythrocytes responsible for the transport of oxygen in the bloodstream and indirectly responsible for carbon dioxide transport.
red blood cell salvage - A method of gathering and saving autologous blood components before, during or after a surgical procedure. These components are often separated or washed, and returned to the patient.
reprogramming of pacemakers - Office visits allow certain adjustments to be reprogrammed in the pacemaker without surgery. Reprogramming allows the doctor or nurse to fine-tune the pacemaker functioning to meet the precise pacing therapy needs of each patient.
retention - The inability to empty the bladder. The patient may be unable to start to void (with no urine emptying from the bladder) or may start to void but be unable to completely empty the bladder. These patients often use catheters to empty the bladder.
revascularization - The restoration of adequate blood supply.
ring dehiscence - Detachment of the ring from the valve annulus.
root-inclusion technique - Suturing of a Freestyle Aortic Root Bioprosthesis within the aortic root of the patient.
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