High-Yield Classic Disease Patterns in the Gastrointestinal System (Gastrointestinal Diseases)

Question 1

Rule of 2s in Meckel’s Diverticulum

Answer 1

2% of the population
2 years old
2:1 male : female ratio
2 types of tissue involved
2 inches long
2 feet from ileocecal valve

Question 2

Diagnostic Criteria for Irritable Bowel Syndrome (IBS)

Answer 2

Recurrent abdominal pain or discomfort at least 3 days per month in the last 3 months associated with 2 or more of the following:

 - Improvement with defecation
 - Onset associated witha  change in frequency of stool
 - Onset associated with a change in appearance of stool

Question 3

Charcot’s Triad for Ascending Cholangitis

Answer 3

FPJ - Fever, abdominal Pain, Jaundice

Question 4

Charcot’s Neurologic Triad for Multiple Sclerosis (MS)

Answer 4

SIN - Scanning speech, Intentin tremor, Nystagmus

Question 5

Reynolds’ Pentad

Answer 5

Charcot’s Cholangitis Triad + Shock and Confusion

Question 6

Triad of Hepatopulmonary Syndrome

Answer 6

Liver Disease
Hypoxemia
Pulmonary Arteriovenous Shunting

Question 7

Triad of Acute Cholecystitis

Answer 7

Sudden RUQ tenderness
Fever
Leukocytosis

Question 8

Triad of Choledochal Cyst

Answer 8

Abdominal Pain
Jaundice
Abdominal Mass

Question 9

Triad of Hemobilia

Answer 9

Biliary Pain
Obstructive Jaundice
Melena

Question 10

Diagnosis of Acute Pancreatitis

Answer 10

Typical abdominal pain
3x or greater elevation in serum amylase and/or lipase levels
Confirmatory findings on cross-sectional abdominal imaging

Question 11

(Requires at least 2 of the 3)

Answer 11

Increase in the size of the ass
A localized bruit over the mass
Sudden decrease in hemoglobin and hematocrit without obvious external blood loss

Question 12

Triad of Hemorrhage from Pancreatic Pseudocyst

Answer 12

Increase in the size of the mass
A localized bruit over the mass
Sudden decrease in hemoglobin and hematocrit without obvious external blood loss