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
Muscles Tendons
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 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
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 Neck Fracture of Humerus
vascular supply to the humeral head Two Part Articular Segment Displacement fracture plane is through the anatomic (not surgical neck); anatomic neck represents the old eiphyseal plate; surgical neck represents the weakened area below the tuberosities and head approximately 2 cm distal to the anatomic neck; significant chondral defects and minimally separated fragments may go … Read more
Amputation of the Finger and Hand
– See: – Phalangeal Menu: – finger tip injuries – replantation of the digits – soft tissue replacement in the hand and forearm: – upper extremity amputations: … Read more
Amputation Menu
– Amputations in the Diabetic Patient – Above the Knee Amputation: – AKA prosthetics – Basic Science: – Below Knee Amputation: – amputation following fractures of the tibia – pediatric BKA: – BKA prosthetics – prosthetic feet – Foot and Ankle Amputation – Syme’s Amputation – Transmetatarsal Amputation – Chopart Amputations – Pediatric Amputations – … Read more
Amiloride/Midamor
for HTN possibly indicated in reperusion injury to protect against calcium paradox in crushed skeletal muscles; massive simultaneous volume replacement would be needed to prevent additional depletion of intravascular volume by these agents. K+ sparing diuretic; Adult: 5mg PO qd; increase to 10mg if needed