Ortho Oracle - orthopaedic operative atlas

Levothyroxine/Synthroid

– for hypothyroidism;  – Adult: – 25-40ug/day initially, then increase by 25-50ug/day each month;  – usual dose = 100-200ug/day; titrate dosage based on response;  – Peds: 1-5 yrs: 4-6 ug/kg/24hr qd; > 5 yrs: 3-4 ug/kg/24hr qd  __________________________________________________ Slipped upper femoral epiphysis and primary juvenile hypothyroidism.

Lesser Tuberosity Fractures

– See: Fracture Dislocation: – Discussion:     – pure avulsions of the lesser tuberosity are rare;     – pressence of this frx raises possibility of assoicatted posterior dislocation;     – lesser tuberosity fragment consists of the lesser tuberosity with its attached subscapularis muscle;     – avulsion of this frag may allow … Read more

Letournel Classification

– Discussion:     – classified pelvic ring injuries simply according to site of injury;     – anterior disruption can occur thru either pubic symphysis or pubic rami;     – injury may be through the ilium, the SI joint, or the sacrum;     – it can involve frx-dislocation of SI joint, which … Read more

Leukemia

– Discussion:     – most common malignancy of childhood;     – usually affects young children;     – most appear systemically ill;      – dz can mimic JRA by skeletal and extraskelal manifestations;     – joint disease is usually painful monoarticular (frequently hip) although it can be painful polyarticular     … Read more

Legionella

– References – Legionella pneumophila    erythromycin +/- Rifampin  FQ S/S: Headache, malaise, myaglia, rapid fever within 24hrs or less, cough, chest pain then chills or rigor common early symptoms; Nonproductive cough common, mucoid bronchial secretions in about 50% of patients; Source: Water from air conditioning cooling towers, shower heads, ponds ect; Gm Neg Rods … Read more

Lesser Trochanter Frx

– Discussion:     – plays a role in intertroch stability;     – evaluate size & displacement of lesser troch before judging instability;     – lesser troch has a postero-medial location and when this structure is frx & displaced, defect results at post medial aspect of frx surfaces;     – axial loading studies … Read more