Airway & Respiratory Anoxia: Lack of O2 Hypoxia: low levels of O2 to the cells, reduced O2 supply to the cells, leads toanaerobic metabolism> metabolic acidosis> cellular depression> cellular death…
Troubleshooting: if the IV solution flow is slow or non-existent ask yourself: Is the tourniquet loose? Restrictive clothing? Swelling at IV site? Flow regulator open? Tip of catheter against vein…
Calculating Flow Rates Volume in mL x Drip = Flow rate (drops per minute) Time of infusion Factors that cause the flow rate to vary: Vein spasm Vein pressure changes…
Structure of Veins: Three Layers: Tunica Intima - endothelial lining, flat cells to let blood flow. Valves in this layer Tunica Media - muscular and elastic tissue, vasoconstrictor/dilators and nerve…
Needle/Catheter Catheter remains in the vein Needle facilitates the passage into the vein 3 types: Plastic over hollow needle, needle is pulled out after insertion in vein leaving the catheter…