Data Trace Editor – See: Phalangeal Injury – Mechanism: – results from forceful hyperextension of DIP joint w/ FDP in maximal contraction; – classic examples include pts injured by the sudden jerk of a rope, such as starting a lawnmower or retraining an animal; – tendon may rupture directly from its insertion into bone, or it … Read more
– See: Arcuate Complex – Anatomy: – arcuate & fabellogibular ligaments insert on apex of fibular styloid process & ascends vertically to lateral head of gastrocnemius, where they merge w/ by posterior termination of oblique popliteal ligament; – arcuate ligament is firmly adherent to underlying musculotendinous … Read more
– See: – Bilateral InterFacet Dislocation – Hyperflexion Injuries – Unilateral Facet Dislocation: – Discussion: – frequently missed in acute cervical spine trauma; (oblique radiograph views are important here); – lateral mass frx is considered to be extension rotational injury; – flexion of … Read more
– Discussion: – recurrent rotator cuff tear: – ref: Mode of failure for rotator cuff repair with suture anchors identified at revision surgery – deltoid injury: – may occur from axillary nerve palsy or from avulsion of deltoid off the acromion; – consider … Read more
– For short term treatment of active duodenal ulcer; – Active ulcer: 40mg PO HS or 20mg PO bid for 4-8 wks then 20mg PO HS; – Decrease dose with severe renal failure – Unlike Cimetidine is not an inhibitor of the cytochrome P450 system
– Discussion: – is transmitted as an autosomal dominant condition; – most patients show relatively slow progression of weakness involving primarily muscles of facial expression & proximal upper limbs; – whistling and sucking thru straw may be impossible, & patients cannot fully bury their eyelashes when they close their … Read more
– Anatomy: – external rotators of thigh include (from superior to inferior) – Piriformis – conjoined tendons: – Gemellus Superior – Obturator Internus … Read more
– See: Metacarpal Extra-articular Base Frx – Discussion: – oblique and comminuted frx predispose to shortening and malrotation; – displacing forces: – these frxs are displaced by tendons inserting into each fragment; – distal metacarpal fragment is flexed into … Read more
– Discussion: – see chondrosarcoma – also known as extraskeletal myxoid chondrosarcoma; – it is known also as chordoid sarcoma because of its resemblance to chordoma; – accounts for < 2 % of all soft-tissue sarcomas; – tumor usually affects men, in fifth decade of life; … Read more
– Factors Related to Extremity Injury: – duration of use; – it is thought that muscles are more sensitive than nerves to duration of tourniquet use; – use of tourniquet for > 2 hours & pressures of > 350 mm of mercury in … Read more