– Discussion: – exactly contoured plates produce asymmetric compression (ie the near cortex is compressed more than the far cortex); – i.e., the far cortex may not be compressed at all; – when prebent plate is fixed to the bone, the bend is straightened out; … Read more
– Discussion: – preganglionic lesions represent root avulsions from the spinal cord; – 2 catagories: – central avulsions: nervs are avulsed directly from the spinal cord; – intradural ruptures: rootlets are ruptured proximal to the dorsal root ganglion; – preganglionic injuries … Read more
– Discussion: – for HTN; – Alpha blocker with some direct smooth muscle relaxation: – Dosing: – Initial: 1mg PO bid to tid (watch out for syncope); – Maintenance dose: 6-15 mg/day given in 2-3 divided doses; – Maximun daily dose: 20 mg/day; – Precautions: – syncope may occur w/ dose > 2 mg; – … Read more
– Discussion: – pretendinous bands arise from the palmar fascia as strips of tissue which extend toward the bases of the digits; – the neurovascular bundle will lie on either side of the pre-tendinous bands; – at a point distal to the distal palmar crease, the … Read more
– See: Hypoplastic Thumb: – Discussion: – a rudimentary thumb w/ no or very little metacarpal & no or very few muscles is categorized as a floating thumb. – such a floating thumb may have all assoc. abnormalities & syndromes of true hypoplastic thumb and the absent thumb. – Radiographs: – … Read more
– Discussion: – is apparent when with stress testing lateral tibial plateau rotates posteriorly in relation to the femur with lateral opening of joint; – atraumatic type: – presents as chronic laxity, often with a varus knee deformity; – this ligamentous laxity often … Read more
– Discussion: – posterior splint for 10 days in maximum equinus to reduce tension on the incision; – cam walker w/ 15 deg of equinus (or gravity equinus), non wt bearing; – pts are permitted non wt bearing ankle ROM exercises out of the … Read more
– Discussion: – most indicated for unstable burst frx w/ cord impingement along w/dural tear and nerve root entrapment from frx of posterior elements; – most effective at the thoracolumbar junction and in the lumbar spine as more direct means of reducing the bony fragments; – procedure involves hemilaminectomy and … Read more
– Discussion: – arises from disruption of the lateral collateral and annular ligaments; – associated conditions: elbow dislocation, radial head excision, coronoid fracture; – diff dx: lateral epicondylitis – LCL anatomy: – lateral collateral ligament consists of a ligamentous expansion proceding down from lateral … Read more
– Anatomy: – anterior compartment – lateral compartment – deep posterior compartment – superfical posterior – Anatomy: – position: either prone or on side, with the affected extremity uppermost; – incision: – incision is made just posterior to the … Read more