Anatomy of Atlas
– See – Normal Variants – Development of Atlas: – Atlantooccipital disassociation – Jefferson frx – Discussion: – C1 has no central body – C1 vertebra is ring of bone w/ large lateral masses that provide only two … Read more
Data Trace Editor
Anatomic Positioning of the Acetabulum in THR for the Dysplasic Hip
– See: – Total Hip Replacement Menu: – total hip in DDH – acetabular component menu: – crowe classification – Anatomic Position – Discussion: – w/ low dislocation, attempts should be made for antatomic placement, but should also be considered w/ high dysplastic dislocation; – long term success … Read more
Anatomic Snuff Box
(See also: DeQuervain’s Disease, Differential Diagnosis) Discussion snuff box is depression within the borders formed by EPB & EPL; distal border is formed by prominent edge of base of first metacarpal & proximal border is formed by styloid process of the radius; lies just dorsal and distal to the radial stylid process; radial border of snuff … Read more
Anatomy
div class=”mh-row clearfix”> h1>/h1> div class=”bodycopy”> hr size=”3″/> img src=”/image4/back2.jpg” usemap=”#back2″/> from b>An Atlas of Human Anatomy/b> by Carl Toldt, M.D., 1919. /div>br/>hr/>br/>br/> /div>
Anatomy and Sites of Compression of Cubital Tunnel
Anatomy & Sites of Compression of Cubital Tunnel – Discussion: – cubital tunnel extends from medial epicondyle to olecranon; – it serves as the major contraint for the ulnar nerve as it passes behind the elbow; – w/ flexion the cubital tunnel becomes taunt, and with extension the cubital tunnel becomes lax; – aponeurotic roof … Read more
Amyotrophic Lateral Sclerosis
– See: – El Escorial Revisited: Revised Criteria for the Diagnosis of Amyotrophic Lateral Sclerosis – Disorders of Nerves: – Anterior Horn Cell Disorders: – ALS Society Homepage – Discussion: – amyotrophic lateral sclerosis is a syndrome characterized by both upper and lower motor neuron disease; – destruction of anterior horn cells & descending corticospinal tracts; … Read more
Anaerobic Joint Infections:
– Discussion: – see bacterial menu – Peptostreptococcus magnus, Bacteroides fragilis, Fusobacterium, Porphyromonas, Actinobacillus, Eikenella and proprionobacter acnes; – uncommon cause of septic arthritis (in over 80% of cases, the infection occurr after surgery or trauma, and in patients receiving steroids) – Gram-negative anaerobes: – Bacteroides (the most commonly found anaerobes in cultures; intra-abdominal infections, rectal … Read more
Anastomoses: End to End
– Discussion: – end to end anastomosis is usually begun with two corner sutures 180 deg – these may be placed as simple sutures, or horizontal matress suture; – w/ double ended vascular sutures, corner sutures are tied first, one needle from each corner is then used to run the suture line in a simple … Read more
Anastomoses of Lower Limb Arteries
– See – Arterial Menu – Cruciate Anastomosis – Discussion: – anastomoses between: – superior & inferior gluteal arteries and medial & lateral circumflex; – deep circumflex artery & ascending lateral circumflex femoral – … Read more
Anatomic Axis
Discussion anatomic axis of femur is approx 6 deg of valgus from mechanical axis or 9 deg of valgus from vertical axis w/ variations according to body habitus; anatomic axis of tibia is in approx 2-3 deg of varus from mechanical axis; lines that intersect the tibia and the femur intersect at knee; this angle averages 6 deg