Infections of the gut Flashcards

1
Q

What condition is this and how do you treat it?

A

Cryptosporidium (extraluminal organisms)
treat with nitazoxanide, usually only if immunocompromised

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2
Q

What condition is this and what GI symptoms is it associated with?

A

Trichuriasis (whipworm)

Usually asymptomatic but can cause diarrhea, colitis and IDA

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3
Q

Who gets stool studies vs treated for acute diarrhea (>3 stools in 24 hours + GI symptom)?

A

Tavelers:
w/ or w/o bloody diarrhea –> treat azithro 1g once
w/ or w/o fever –> treat azithro 1g once

non-travelers
w/ bloody diarrhea –> stool studies
w/ non-bloody diarrhea and fever > 72 hours –> stool studies
non-bloody diarrhea and fever <72 hours supportive care

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4
Q

What condition is this and how do you treat it?

A

Entamoeba histolytica

RF- endemic areas, MSM
Bloody diarrhea, colonoscopy with flask shaped ulcers
Treat with flagyl and luminal agents (paromomycin)

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5
Q

Major infectious cause of anal pruritis.

A

Enterobius vermicularis
commonly seen in daycare workers
treat with albendazole

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6
Q

Typhoid fever - what are the fatures

A

leukopenia or leukocytosis, mild anemia, thrombocytopenia, and hepatocellular liver injury.

fever with pulse-temperature dissociation
abdominal pain and “rose spots” or salmon-colored macules on the trunk
hepatosplenomegaly, gastrointestinal bleeding, and ileocecal perforation during the third week.

diagnosed with a blood culture (not stool)

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7
Q

what medication is used for prophylaxis of traveler’s diarrhea in healthy people?

A

prophylaxis of traveler’s diarrhea with bismuth subsalicylate QID, not antibiotics, in healthy people who have no high-risk medical conditions that put them at risk for severe illness.

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8
Q

Pulse- fever dissociation

A

leptospirosis- high bili, conjunctival suffusion; treat with doxycycline

typhoid fever

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9
Q

familial conditions with episodic abdominal pain

A
  1. hereditary angioedema- edema (diffuse bowel edema or angioedema of the lips) triggered by ACEi or stressors, treat with C1 esterase concentrates
  2. familial mediterranean fever
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10
Q

acanthosis nigracans

A

malignancy, especially gastric

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11
Q

erythematous scaling plaques on legs and face

A

zinc deficiency
risk factors- EtOH, TPN, crohn’s disease

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12
Q

sudden outbreak

A

Leser-Trelat - outbreak of seborrheic keratosis - associated with new cancer
get pan-endoscopy

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13
Q

GI manifestations of Ehlers-Danlos syndrome

A

splanchninc arterial aneurysms
GI bleeding
bowel perforation

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14
Q

GI manifestations of lupus

A

peritonitis
pancreatitis
colitis

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15
Q

diarrhea + rash

A

necrolytic migratory erythema
glucagonoma
diagnosis with serum glucacon level
diabetes, dermatitis, weight loss

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16
Q

GI symptoms of Pseudoxanthoma elasticum

A

GI bleeding, often needs to be managed surgically

17
Q

oral and genital ulcers, TI ulcers

A

bechets

18
Q

SBP vs culture negative neutrophilic ascites vs non-neutrocytic bacterascites vs no SBP

A
  1. SBP- PMN >250 and +culture (regardless of symptoms); treat
  2. culture negative neutrophilic ascites- PMN >250, culture negative; treat
  3. non-neutrocytic bacterascites- PMN <250, culture + (don’t treat)
  4. no SBP- PMN <250, culture negative
19
Q

thickening of the skin on hands and soles

A

Tylosis
start screening for esophageal SCC at age 30

20
Q

D latum infection

A
  • consumption of raw or undercooked freshwater fish, - weakness (66%), dizziness (53%), salt craving (62%), diarrhea (22%), or intermittent abdominal discomfort.
  • megaloblastic anemia
  • peripheral eosinophilia
21
Q

Sensitivity of H. pylori testing

A

urease breath test > stool ag > biopsies

22
Q

rectal prolapse

A

Trichuris trichiura

23
Q

What is the optimal rehydration solution?

A

Isotonic, high sodium:glucose ratio

24
Q

treatment for
- salmonella non-typhoidal and typhoidal
- tropical sprue
- whipple’s disease

A

-non-typhoidal salmonella treat if high risk for bacteremia or if bacteremic (bactrim, cipro, ceftriaxone)
-typhoidal salmonella treat with IV ceftriaxone
- tropical sprue- tetracycline + folate 6 to 12 months
- whipple’s - ceftriaxone then bactrim