More GI Flashcards

1
Q

What is the single most accurate test for chronic pancreatitis?

A

secretin stimulation test

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2
Q

What is a normal result of the secretin test?

A

bicarb released by pancreas

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3
Q

What is the tx for diverticulitis?

A

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

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4
Q

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

A

rate control, rhythm control, and anti-coagulation

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5
Q

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

A

rate control!

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6
Q

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

A

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

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7
Q

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

A

ASD

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8
Q

What causes the murmur in ASD?

A

increased, turbulent flow across the PULMONIC VALVE

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9
Q

Where would you best hear the murmur of hypertrophic cardiomyopathy?

A

lower left sternal border

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10
Q

Which 2 murmurs increase w/ Valsalva maneuver?

A

hypertrophic cardiomyopathy and mitral valve prolapse

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11
Q

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

A

renal tubules

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12
Q

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

A

Trichomonas

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13
Q

How many alpha globin genes does a person normally have?

A

4 (two on each ch. 16)

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14
Q

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

A

2 (cis- or trans-)

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15
Q

What are the clinical features of alpha-thalassemia minor?

A

no Sx or mild chronic anemia

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16
Q

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

A

microcytic, hypochromic anemia; target cells

17
Q

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

A

1

18
Q

What is the genetic defect in Hemoglobin H disease?

A

3 mutated alpha-globin genes

19
Q

What is the composition of Hb H?

A

4 β-chains and heme group