Data Trace Editor – Discussion: – for serious infections with Gram Neg anaerobes (B. fragilis) or staph / streptococcus infections in patients allergic to penicillin; – not good for gm neg aerobes; – clindamycin binds exclusively to the 50 S subunit of bacterial ribosomes and suppresses protein synthesis; (bacterostatic not bacterocidal); … Read more
– See: Infections of the Hand / Human Bite Wounds – Discussion: – MP joint and the adjacent tissues and spaces are most commonly involved because teeth of the opponent are struck with knuckle of the clenched fist; – when the hand is unclenched, the skin wound retracts proximally … Read more
– See: – PA View of the Wrist – X-ray findings: in scapholunate dislocation – Discussion: – used to evaluate widening of scapholunate interval; – those pts suspected of having SLD should have compression stress view, which is performed by having pt clench his fist … Read more
– Discussion: – autosomal dominant proportionate dwarfism that affects bones formed intramembranously (eg. facial bones, cranium, & clavicles); – dislocations of hips, knees, and the radial heads may occur; – clavicle: – most commlonly, absence of the central portion of the clavicle with rudimentary … Read more
– Discussion: – Grayson’s & Cleland’s ligament hold skin in position during flexion and extension of the finger; – Cleeland’s ligaments are firm fascia bands that run from side of phalanges to the skin, dorsal to the neurovascular bundle; – they are not involved in Dupuytren’s dz; – … Read more
– See: – Hallux Claw Toe – Hammer Toes – Muscles of Foot – Polio: Claw Toes – Anatomy and Discussion: – claw toe consists of hyperextension at the metatarsophalangeal joint, and flexion at the proximal (and distal interphalangeal joints); – all of the toes are usually affected, although contracture of the great toe can … Read more
– Clavicle Frx in Infants: – 95% of birth frxs involve the clavicle and are associated w/ breech deliveries; – diff dx: – congential pseudoarthrosis of clavicle: – brachial plexus injury – pseudo-paralysis … Read more
– Discussion: – indications for surgery: – open fracture – gross displacement of fracture w/ tenting of skin – fractures w/ signficant medialization (causing medialization of the shoulder girdle); – ref: Fixation of Displaced Midshaft … Read more
Discussion: – serves as protector of brachial plexus – acts as a strut which provides th only bony connection between upper limb and the thorax. – embryology: – first bone to ossify – undergoes intra-membranous ossification w/o going thru prior enchondral stage; – later in adolescence, secondary enchondral … Read more
– See: – Clavicular Frx in Children / Congential Pseudoarthrosis of Clavicle – AC joint / Sternoclavicular Joint Injury / Scapula Fracture – Discussion and Classification – Exam Findings: – brachial plexus – ref: Injury to the brachial plexus by a fragment of bone after fracture of the clavicle – Radiology: – Serendipity View – best visualized sitting up … Read more