pain d/t hypoxia and acidosis begins around 45 min - 1 hour
max tourniquet time 2 hours
deflation will cause release of Metabolic waste (metabolic acidosis/hyperKalemia/myoglobinuria/renal failure)
- avoid over shallow nerve areas(radial)
- widest possible cuff
tourniquet safety
- two layers of skin padding
- extremity exsanquinated before inflation
upper extremity cuff pressure 80 mmHg above SBP
lower extremity cuff pressure double SBP
250 - upper
Bier block cuff pressure
300 - lower
Tourniquet pain transmitted via Unmyelinated C fibers (similar to VAE pain)
non operative leg should be ______ wrapped (prevent venous pooling)
prone position for elbow surgery better limb stability
complication when subacrominal mechanical irrigation
decompression is used during shoulder power-saver suction
arthroscopy d/t
complication when subacrominal - subQ emphysema
decompression is used during shoulder - pneumomediastinum
arthroscopy - pneumothorax (life threatening)
needle decompress (14-18 angio-cath)
Tension Pneumo tx into 2nd or 3rd intercostal space Anteriorly
4th or 5th intercostal space laterally
prosthesis metal cobalt or titanium
best block for hip or knee Spinal (Subarachnoid block)
TXA used to decrease blood loss (inhibits fibrinolysis & clot degradation)
MMA Methyl methacrylate cement (instilled in femoral canal -usually in older adults)
Press-Fit prosthetic seated forcibly via mallet
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