100. A 39-year-old patient presents to the ED with a one-day…

100. A 39-year-old patient presents to the ED with a one-day history of right upper quadrant pain, nausea and one episode of vomiting. The pt has no prior medical history. A right upper quadrant ultrasound is indicative of cholecystitis.  Labs are the following WBC 11, Bun 40, Cre 1.1  ALT 189  AST 275.  The pt undergoes an ERCP.  Overnight the patient developed a low grade 100.9 and complains of increased epigastric pain that is now band like in nature. What is the most appropriate lab to obtain for this patient?

14. A healthy-appearing 23-year-old Caucasian woman presents…

14. A healthy-appearing 23-year-old Caucasian woman presents to the emergency department following a motor vehicle collision in which she was rear ended. She denies any current symptoms, and physical examination is only positive for a seat belt abrasion. She reports a history of seizures, which are now under control with carbamazepine, but otherwise has a benign medical history. The only abnormality noted in lab work is an absolute neutrophil count of 1000 cells per microliter. Based on the information provided, what is most likely cause of the neutropenia?

71. A 78-year-old male patient with heart failure develops a…

71. A 78-year-old male patient with heart failure develops a bacterial urinary tract infection secondary to an indwelling Foley catheter. The patient has a known history of allergy to penicillin and sulfonamides. The appropriate choice for antimicrobial therapy is:

7. A hemodynamically stable 40-year-old man with adult respi…

7. A hemodynamically stable 40-year-old man with adult respiratory distress syndrome is being mechanically ventilated with the following settings:  Assist control- Tidal volume 500 mL; Respiratory rate 12/min; FiO2 80%; I:E ratio 1:2; PEEP 5 cmH2O. The patient’s arterial blood gas results are: PaO2 50 mmHg, PaCO2 40 mmHg, and pH 7.42. Which of the following changes in ventilator settings is most appropriate?