Q: 39 - 40

Q39: Prediect Success Extubation

Rapid Shallow breathing index (RR / TV) > 105 95% fail extubation.

Extubation parameters: Negative inspiratory force > 20 FiO2 <= 40% PEEP 5 Pressure support 5

Q39: Prediect Success Extubation

Others:RR<24HR < 120pO2 > 60pCO2 < 50pH 7.35 – 7.45O2 Sat > 92%TV > 5 cc/kgOff pressorsFollows commands.

Subclavian Steal Syndrome

Proximal subclavian artery stenosis resulting in reversal of flow through ipsilateral vertebral artery into subclavian.

Symptoms – pre-syncope, syncope, vertigo, falls, ocular problems, arm pain.

Repair with limb or neurologic symptoms.

Diagnosis – gold standard is angio.

Tx – PTA + stent Common carotid to subclavian bypass