– Positioning: – options include positioning with the patient supine – flat on the table or positioning the patient supine with the knee in a leg holder; – supine position: – requires a valgus post, a bump placed under hip, … Read more
– Assess ISS: – w/ multiple injuries (Pelvic Frx) consider supine position and use of universal femoral distractor; – Rotational Alignment – 45 deg Lateral on Flouro Table: – indications: – include ipsilateral femoral and acetabular frx or vertical unstable pelvic fracture; … Read more
– Supine – No Traction: – easiest method is supine position, w/ several rolled towel/blanket bumps placed side by side which elevates the fractured extremity above the other side (which is necessary inorder to get a lateral view on flouro), and which facilitate knee flexion (which is necessary for entry into the … Read more
– Discussion: – traditionally, subtalar arthrodesis has been performed w/ ankle in neutral dorsiflexion / plantarflexion & neutral or slight valgus; – by placing calcaneus in 5 degrees of valgus, transverse tarsal joint remains supple and provides mobility to the forefoot; – in presence of fixed forefoot equinus, however, … Read more
– See: Osteolysis and Insertion of Polyethylene – Discussion: – originally Charnley used high density polyethylene and later this was changed to ultrahigh molecular weight polyethylene – impact strength of UHMWPE is higher than that for HDPE and the density of UHMWPE is much lower than … Read more
– See: differential diagnosis of posterior fossa masses – Discussion: – popliteal artery is the continuation of superficial femoral artery at hiatus of the adductor magnus muscle; – artery is anchored proximally by tendinous insertion of adductor magnus upon the medial femoral epicondyle; – it runs posterior to the distal … Read more
– Knee Joint Tumors – Diff Dx: – synovial cysts (Baker’s) – arterial and venous aneurysms – thrombophlebitis (dvt) – adventitial cysts of artery – popliteal artery aneurysm; – benign and malignant neoplasms – rhabdomyosarcoma: … Read more
– Anatomy: – origin: – lateral condyle & posterior horn of lateral meniscus fibular head; – popliteus muscle has 3 origins, strongest of which is from lateral femoral condyle, just anterior and inferior to the LCL origin; … Read more
(see also: juvenile RA menu) Discussion definition: > 5 involved joints; large and small joint may be affected; accounts for about 50% of patients w/ JRA; may occur at 1-3 yrs or during early adolescence (after age 10); children w/ seronegative arthritis usually present before age 5 years and have iridocyclitis if fewer than five … Read more
– See: – Equinovalgus – Anterior Horn Cell Disorders: – outside links: – Polio Resources: – Lincolnshire Polio Network – Discussion: – caused by death of anterior horn cells of … Read more