Discussion allows assessment of DVT from the external iliac vein down to the popliteal veins visualization distal to the popliteal veins is usually not possible may be able to detect patency of major vessels, but it is not effective for smaller vessels will not diagnose pelvic thrombi note that clots seen on ultrasound comprise a … Read more
– Discussion: – press fit femoral stem main discussion – coating press fit femoral stem; – to maintain bone stock, proximal stress transfer must be a prominent feature of any cementless implant system; – proximal part of femur is often exposed to high longitudinal strain, & bone … Read more
– See: RU joint – Discussion: – refers to impingement of the ulnar head against the carpi which can lead to TFCC tears and lunotriquetral ligament attrition; – lunotriquetral ligament attrition may occur from compression and translation shear as the lunate becomes impinged against the ulnar head; – causes: … Read more
– See: – Ulnar Nerve: – Cubital Tunnel Syndrome: – Discussion: – ulnar nerve neuritis is a reported of operative treatment for elbow frxs; – one of complications of ORIF of elbow frxs is adherence of the ulnar nerve directly to medial epicondylar region w/ … Read more
– Discussion: – osseous related pain: – hamate fracture – pisiform fracture – ulnar styloid frx – base of the fifth metacarpal – TFCC – radioulnar joint – … Read more
– Anatomy: – Tunnel V: – overlies distal ends of radioulnar articulation on dorsum of wrist, contains EDM; – Tunnel VI: – in groove between the apex of ulnar styloid process & ulnar head, contains ECU tendon which is palpable from … Read more
– Discussion: – most frequent radiocarpal instability; – the lunate is translocated ulnarly, and therefore is not supported by the radius; – ulnar translationn is also commonly seen in disease such as RA or in Madelung’s deformity; – in RA, may occur along … Read more
– Discussion: – mean ulnar variance is 0.9 mm (range: 4.2 to 2.3 mm); – functional anatomy: – w/ neutral variance, 80% of load is born by radius and 20% by ulna; – 2.5 mm increase in ulnar varience will increase … Read more
– See: – Vascular Problems of the Wrist and Hand: – Discussion: – traumatic thrombosis of superficial palmar arch of ulnar artery resulting from repetitive use of hand as hammer; – in this maneuver, maximum force of the blow occurs over hook hamate bone, stie of … Read more
– Anatomy: – ulnar bursae includes little finger tendon sheath which begins at terminal phalanx & extends proximally half way up the palm; – occassionally the distal unexpanded part of little finger tendon sheath does not communicate w/ ulnar bursae; – in the palm, the ulnar … Read more