Data Trace Editor – Discussion: – ratio between perpendicular distance from lower articular margin of patella to tibial plateau (A) and the length of articular surface of patella (B) (use lateral view w/ knee in at least 30 deg of flexion); – AB ratio in 171 normal knees was 0.80 w/ no gender diff; … Read more
Discussion in those cases in which inadequate bone remains, salvage of ankle joint may be brought about by realignment of tibiotalar joint & fusion of subtalar joint or by tibiocalcaneal fusion w/ tricortical bone graft. this fusion has been used to salvage cases of avascular collapse w/ degenerative changes in the ankle and subtalar joint; … Read more
– Dicussion: – may occur in the fingers as a pustule that becomes larger and spreads peripherally; – the center heals, leaving a central scar with a spreading perimeter; – if osseus lesions occur in the digits, they may be secondary to to pulmonary disease; – treatment … Read more
– See: multipartite patella – Discussion: – a common congenital fragmentation or synchondrosis of the patella – occurs in approximately 1% of population but some have observed a much higher incidence; – most remain asymptomatic, but direct trauma may disrupt the synchondroses, causing symtoms that mimic those … Read more
– See: – Total Hip Replacement Menu: – International Bipolar News – Discussion: – Gilberty & Bateman in 1974, reported use of bipolar prosthesis; – rationale was that erosion and protrusion of acetabulum would be less because motion is present between metal head & … Read more
– stimulant laxative; – for use in acute constipation due to narcotics, with prolonged bed rest; – Adult: 5-15mg PO, or 10mgPR PRN; or 1-2 (5mg tabs) – PO dose usually works in 6-12 hrs, PR dose usually works in < 1 hr; – Peds: < 2yrs: 5mg PR; >2yrs: 5-10 mg PO or PR
– Discussion: – antihypertensive agent which contains a beta blocker and a diuretic; – initial dosing should start at: 2.5 / 6.25 mg tablet, and 5.0 mg / 6.25 mg tab qd is a common maintenance dose; – max dose: 20/12.5 mg (two 10/6.25 mg tablets) qd
– See: osteoporosis and hypercalcemia – First Generation Bisphosphonates: – short chain molecules which inhibit the Krebs cycle; – types: – etidronate – clodronate – Second Generation: – long chain molecules which inhibit fatty chain pathways; – types: – pamidronate – available in IV form; – alendronate – 0.7% absorption; – Third Generation: – risedronate: … Read more
– Discussion: (see: necrotizing fascitis ) – human bite wounds – snake bite: – Bacteriology of rattlesnake venom and implications for therapy. – cat bite: (see cat scratch disease) – consider pasteurella multocida; note P. multocida infection develops within 24hrs; – with bites on the finger observe for osteomyelitis; … Read more
– Discussion: – polyglycolide (PGA) – degradation time is a few months – patients may develop severe inflammatory reactions and osteolytic bone changes; – poly-L-lactide (PLA) – degradation time is a few years … Read more