UWorld 11/26/14

Question 1

What is the first-line therapy for conscious, hemodynamically stable pts w/ Torsades de Pointe?

Answer 1

Magnesium sulfate IV

Question 2

Tx for stable, conscious pts w/ Torsade de Pointes if Mg++ has failed?

Answer 2

Temporary transvenous pacing

Question 3

A high SAAG is >/= ___

Answer 3

1.1

Question 4

How do you calculate SAAG?

Answer 4

Serum albumin - Ascites albumin

Question 5

Name 3 conditions that cause low SAAG?

Answer 5

peritoneal carcinomatosis, peritoneal TB, nephrotic syndrome, pancreatitis, serositis

Question 6

2 drugs used to decrease frequency of MS exacerbations

Answer 6

β-interferon and glatiramer

Question 7

What is the best test to monitor the progression of MS?

Answer 7

MRI (3 months after initial)

Question 8

What class of Abx should be used as infx ppx in pts presenting with variceal bleed?

Answer 8

fluoroquinolones (ofloxacin, norfloxacin, or cipro)

Question 9

What are the classic Sx of Pellagra?

Answer 9

diarrhea, dermatitis, and dementia

also red, beefy glossitis, dilated cardiomyopathy

Question 10

Deficiency of _______ is the typical cause of pellagra.

Answer 10

niacin

Question 11

Tx for ITP pts w/ plts <30,000 or bleeding? (other than Plt transfusion)

Answer 11

IVIg OR glucocorticoids

Question 12

What is the Tx of choice in TTP/HUS?

Answer 12

Plasma exchange

Question 13

Name 2 treatments for ITP refractory to steroids and IVIg

Answer 13

Rituximab, splenectomy

Question 14

Patients with renal mass, flank pain, polycythemia, and a history of smoking are likely to have _______.

Answer 14

Renal Cell Carcinoma

Question 15

Most common cause of aplastic crisis in children with sickle cell anemia?

Answer 15

Parvovirus B19