VADs Flashcards
Vascular access device
VAD
VAD
tube inserted into vein or artery to administer fluids, meds, or drawing blood
Central venous catheter
CVC
CVC
inserted into subclavian vein then pushed into superior vena cava
Types of CVCs
Broviac, Groshong, Hickman, and triple lumen
Implanted port
chamber skin connected to an indwelling line, reduces infection
Peripherally inserted central catheter
PICC
PICC
threaded into a central vein after insertion a peripheral vein, mostly used in angioplasty procedures
Arterial line
placed in artery for constant monitoring of blood pressure or frequent blood gas testing
Heparin lock/Saline lock
tube placed in a peripheral vein formeds or blood draw, inserted just above wrist for 48 hours, flushed with heparin/saline to prevent clot
Arteriovenous (AV) shunt
artificial connection between artery and vein, used for dialysis, do not draw blood or stop circulation in that arm
External AV shunt
consists of cannula with rubber septum for needle to enter for blood draw
Internal AV shunt
consists of a fistula using patients tissue, bovine tissue, or tubing
Fistula
permanent connecting between artery and vein
Drawing from a VAD
- by physicians orders only
- never use syringe larger than 20 mL
- devices flushed with heparin, discard first sample
- for non coagulation specimens discard 2x the dead space volume
- for coagulation specimens discard 6x the dead space volume
