More GI Flashcards Preview

STEP II > More GI > Flashcards

Flashcards in More GI Deck (19):
1

What is the single most accurate test for chronic pancreatitis?

secretin stimulation test

2

What is a normal result of the secretin test?

bicarb released by pancreas

3

What is the tx for diverticulitis?

cipro + metro, or cefotetan, or amoxicillin/clav. acid

4

What are the 3 major issues that must be addressed in atrial fibrillation?

rate control, rhythm control, and anti-coagulation

5

In a tachycardic pt w/ A-fib, which is greater priority: rate or rhythm control?

rate control!

6

What agents should be used for rate control in A-fib?

β-blockers (esmolol, metoprolol) or cardioselective Ca++ channel blockers (verapimil, diltiazem)

7

What cardiac defect would cause a soft systolic murmur heard best at the upper left sternal border and wide, fixed splitting of the S2?

ASD

8

What causes the murmur in ASD?

increased, turbulent flow across the PULMONIC VALVE

9

Where would you best hear the murmur of hypertrophic cardiomyopathy?

lower left sternal border

10

Which 2 murmurs increase w/ Valsalva maneuver?

hypertrophic cardiomyopathy and mitral valve prolapse

11

What part of the nephron is most commonly damaged in multiple myeloma?

renal tubules

12

The vaginal pH in _______ is usu. elevated, and pts typically have malodorous, green, frothy discharge.

Trichomonas

13

How many alpha globin genes does a person normally have?

4 (two on each ch. 16)

14

How many alpha-globin genes are mutated in a person w/ alpha-thalassemia minor?

2 (cis- or trans-)

15

What are the clinical features of alpha-thalassemia minor?

no Sx or mild chronic anemia

16

What do blood studies, including smear, show in alpha-thalassemia minor?

microcytic, hypochromic anemia; target cells

17

How many alpha-globin genes are mutated in a person w/ alpha-thalassemia minima?

1

18

What is the genetic defect in Hemoglobin H disease?

3 mutated alpha-globin genes

19

What is the composition of Hb H?

4 β-chains and heme group