Rosh Review (all answered)

management of blunt cardiac injury correct answers trop, ECG (if normal, work-up over) which clavicular fractures should be evaluated by ortho (not obvious)? correct answers type II distal clavicle fractures, superior displacement (obvious ones are NV compromise, open, skin tenting) most common location of clavicular fractures correct answers middle 1/3 bones involved in tripod fracture? which nerve is injured? correct answers lateral orbit, zygoma, maxilla; maxillary (cheek paresthesia) which bone is fractured in presence of CSF rhinorrhea? correct answers ethmoid which location of digit amputation is contraindication to replantation? correct answers proximal to flexor digitorum superficialis how to preserve amputated digit? what ischemic time can digits tolerate? what are the zones of fingertip amputations? correct answers wrap in saline-moistened gauze, seal in dry plastic bag, place it on ice; 12-24 hours; I: amputation isolated to pulp and distal nail, II: exposed bone, III: involving eponychium elevation of limb in compartment syndrome correct answers level or no more than 10 degrees of elevation in order to maintain AV gradient which pelvic fracture is not helped with pelvic binder? correct answers lateral compression anterior cord vs central cord syndrome correct answers anterior: flexion; loss of motor, pain, temp with intact vibration and proprioception central cord: extension; sensation and motor deficit in upper lower extremities brown-sequard syndrome correct answers ipsilateral loss of motor and proprioception, contralateral loss of pain and temp NEXUS c-spine criteria correct answers distracting injury, AMS, intoxication, midline spinal tenderness, focal neuro deficit what level injury can lead to neurogenic shock? correct answers above T5 zones of neck and management correct answers 1: clavicle--cricoid cartilage; worst prognosis 2: cricoid cartilage--angle of mandible; if platysma penetrated and patient without hard signs, get CTA. If unstable, go to OR. Never explore wounds that have penetrated platysma. 3: above (Never remove impaled objects)