Q: 39 - 40
Nir Hus Q 39 40 iv
Apr 22, 2015
Slides with topics that are covered and were tested in the recent Absite exams.
Nir Hus MD., PhD.
http://www.nirhus.com
Nir Hus MD., PhD.
http://www.nirhus.com
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Transcript
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
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