Data Trace Editor – Discussion: – most indicated for the treatment of INH resistant tuberculosis; – 15 to 25 mg/kg/day to a maximum dose of 1.2 gms per day; – medication is continued for 2-3 months; – aluminum will decrease absorption; – Complications: – retrobulbar neuritis, blurred vision, red-green color blindness
– for absence (petit mal) seizure; – Adult:500mg/qd PO initially; increase by 250mg/day every 4-7 days as needed; – Blood dyscrasias, CNS, and GI side effects may occur; – Caution with renal and hepatic impairment; – Theraputic levels:40-100; >150 = toxic; – Peds: 3-6 yrs: 250 mg/day initially, increase as for adult up to 20-40 … Read more
– Discussion: – contains either 200mg or 400mg = diphosphonic acid: – it can inhibit bone resorption and formation – Paget’s Disease: – measure Alk Phos and bone scans to judge efficacy; – dose: 5-10 mg/kg/day PO – not to exceed 6 months 11-20 mg/kg/day PO – not to exceed 3 months; – may restart … Read more
– Discussion: – rotator cuff anatomy: – frequency of RTC – diff dx of cuff tears: (partial rotator cuff tear) – how do RTC tears heal? – tendon fibrocartilage metaplasia – impingement syndrome: (75%) – shoulder instability (anterior or multi-directional) (15%) (should be considered in any young active patient); – trauma: – occurs in … Read more
– See: Bone Tumor Menu – Discussion: – prevalence: – it represents approx 7% of all primary bone malignancies; – second most common primary malignant bone tumor (behind osteosarcoma) (2.1 per 1 million children) – Ewing’s sarcoma is more common in males and is rare in blacks; – … Read more
– Discussion: – produces swine erysipelas, surviving on decomposing fish, shell fish, meat; – organism penetrates the skin thru a small abrasion or wound and causes infection in fish handlers; – suppuration ordinarily does not occur, but the condition is accompanied by lymphangitis, lymphadenitis, swelling, and a tense, shiny appearance to the … Read more
– Discussion: – for group A strep (pyogenes), alpha hemolytic strep and n. gonorrhea, s. pneumoniae, mycoplasma, legionnaire’s, soft tissue infection with s.aureus; – adult: 250-500mg PO qid or 500mg-1gm IV qid; – IV administration of erythromycin is painful and may cause thrombophlebitis; – this … Read more
Discussion for rapid control of ventricular rate (SVT) in pts w/ atrial fib or flutter in acute setting; begin treatment with 500 ug/kg load over 1 min then 50 ug/kg/min for 4 min; if inadequate response, repeat loading dose and follow w/ maintenance infusion of 100 ug/kg/min for 4 min; titrate by repeating loading dose … Read more
– Discussion: – radial head frx plus dislocation of distal RU joint (& interosseous membrane disruption); – mechanism: fall from height; – in this type of frx, radius will also migrate proximally if radial head is excised; – if injury is not found when it is acute, pt may develop severe wrist pain from radial migration … Read more
– See: Osteoporosis – Discussion: – for most postmenopausal women with osteoporosis, estrogen therapy also should be instituted at a dose of 0.625 mg of conjugated estrogen per day or its equivalent; – administration of estrogen by transdermal patch is effective and may result in more stable plasma estrogen concentrations; … Read more