UWorld 11/24/14 Flashcards
What is the first step in evaluating any pt. with impaired gastric emptying?
r/o mechanical obstruction (XR, EGD, barium swallow)
What do we do for pregnant pts w/ genital herpes?
Acyclovir starting at 36 wks. Caesarean if active infection at term.
Diagnostic test of choice for osteomyelitis
MRI
Treatment for mild-mod hyponatremia 2/2 SIADH in order of escalation.
Water restriction –> salt tablets –> loop diuretics –> demeclocycline
2 conditions (outside GIT) associated with angiodyaplasia
Aortic stenosis and ESRD
What are the two most common causes of massive Lower GI bleeding in elderly pts?
Angiodysplasia and diverticulosis
Normal average pulmonary capillary wedge pressure?
9 mmHg
What is the normal cardiac index (pump function)?
2.8-4.2 L/min/m^2
What are the additional benefits of metformin (beyond glycemic control)?
Weight loss, decreased TG & increased HDL
What happens to TSH levels in the first trimester of pregnancy?
Decrease
Why do TSH levels drop in pregnancy?
Thyroid-stimulating effect of β-hCG
Medication given for post-exposure ppx of pertussis is associated with infantile hypertrophic pyloric stenosis?
Erythromycin