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68kg × 0.9mg/kg = 61.2mg dose × 1mg/mL = 61.2mL 61.2mg × 0.1 = 6mL IV bolus 61.2mg × 0.9 = 55mL IV over 60 minutes

In the management of acute ischemic stroke, alteplase should be administered within 3 hours of symptom onset.

LDL can be elevated by diuretics, cyclosporine, glucocorticoids, and amiodarone.

Pt’s weight in Kg 76.4. 76.4 × [5 mcg/kg/min] = 381.18 mcg/min Concentration of the bag [400 mg/250 mL] = 1.6 mg/ml or 1600mcg 381.18 mcg × [1 mL/1600 mcg] = 0.2382 mL/ml 60 in × [0.0.2382 mL/min] = 14.29 mL in one hour

Benign prostatic hyperplasia (BPH) is an example of postrenal acute kidney injury (AKI). Postrenal AKI, as the name suggests, involves an effect ‘post’ or ‘beyond’ the kidney, to problems that emerge downstream from the kidney. BPH is one such example of that. Other examples include kidney stones, bladder stones and bladder cancer.

Primary treatment for stenotrophomonas maltophilia is SMX-TMP. Meropenem, ciprofloxacin, and vancomycin have no coverage.

Dexamethasone is used to promote fetal lung maturation. This may be necessary in cases of women who need to deliver prematurely. A tocolytic drug, such as nifedipine, may be used to suppress labor whilst dexamethasone works to accelerate fetal lung development.

Correct: E. Shigella can cause bloody diarrhea, and frequently affects young children and institutionalized patients. The pathogen is highly contagious, and is spread via fecal-oral transmission. The pathogen can lead to severe dehydration, and even cause febrile seizures in young patients. For clinically stable patients who can be managed via outpatient therapy, the optimal treatment is via PO TMP-SMX to decrease the risk of person-

to-person transmission. Choice A – Erythromycin is the first line treatment for bloody diarrhea caused by the pathogen campylobacter. However, for the purposes of decreasing transmissibility of suspected Shigella, TMP-SMX remains the mainstay of therapy. Choices B + C – Oral metronidazole and oral vancomycin can both be used in the treatment of Clostridium deficile. Alternatively, intravenous metronidazole can be given if the patient is unable to tolerate oral medications. Choice D – Oral quinolones can be used in cases of bloody diarrhea in which salmonella is the suspected pathogen. Salmonella is caused by the ingestion of contaminated poultry and/or eggs, and can ultimately lead to bacteremia in 5-10% of cases.

Use proton pump inhibitors (PPIs) in patients with or who have risk factors for osteoporosis cautiously. PPIs have been associated with a possible increased risk of bone fractures of the hip, wrist, and spine. Daily treatment with a gastric acid-suppressing medication over a long period of time may lead to hypomagnesemia. Vitamin B12 deficiency has been reported with long term use of PPIs in the literatures. The use of PPIs, may increase the risk of enteric infection by encouraging the growth of gut microflora and increasing susceptibility to organism including Clostridium Difficile. There are recent FDA warnings regarding C. Diff infection with use of PPIs. H. Pylori infection is not a complication of PPIs. PPIs in combination with certain antibiotics are used to treat H. pylori Infections.

Lidocaine: 30g × 0.05 = 1.5g. Hydrocortisone: 90g × 0.005 = 0.45g. 90g + 30g = 120g. 1.5g/120g = 0.0125 × 100 = 1.25% Lidocaine. 0.45g/120g = 0.00375 × 100 = 0.375% Hydrocortisone.