GI Flashcards
DDx of hematemesis
Mallory-Weiss Tear
Esophageal Varices
Boerhaave’s Syndrome (effort rupture)
Boerhaave’s Syndrome
Esophageal rupture/perforation
Secondary to severe retching/vomiting causing increase in intraoresophageal pressure combined with negative intrathoracic pressure
- Painful (severe, retrosternal “tearing”), NOT self-limiting, emergency
Mallory-Weiss Tear
Mucosal tear of gastroesophageal (GE)
junction from vomiting
H/o vomiting, retching (50%); Benign, self-limited (usually); PAINLESS hematemesis; frequently associated with Alcoholics/hyperemesis grav.
Dysphagia (difficulty swallowing) w/u
- EGD- gold standard-diagnostic/therapeutic
- Solid & Liquid: assessed on barium swallow or esophageal manometry (*achalasia)
- ->assess peristalsis/lower esophageal sphincter (LES)
Dysphagia ETIOL/DDx
- Oropharyngeal – CNS
- Esophageal
- Motility disorders (achalasia)
**SOLIDS & LIQUIDS
- Mechanical disorders (obstructive)
**SOLIDS ONLY - Innervation abnormalities
- Primary: achalasia or esoph spasm
- Secondary: scleroderma vs CVA - Structural abnormalities
- Schatzki’s ring/strictures, Zenker’s
Diverticulum, esophageal web & strictures
- CANCER
Achalasia is
ineffective
- parastalsis
- swallow induced relaxation of the lower esophageal sphincter
Achalasia presentation/Dx
- Dysphagia for SOLIDS & mostly LIQUIDS
- Regurgitation of undigested food
- Esophagram with “bird’s beak” distal esophagus
- Esophageal manometry confirms dx
gastroparesis is:
Assoc with:
Sxs
Tx
- Delayed gastric emptying
- Most often with poorly controlled diabetes
hgb A1C high; hyperglycemia - Sxs: early satiety, feeling of fullness,
bloating, stomach pain, nausea, wt loss - Tx: promotility/prokinetic agents
(metaclopramide *black box warning;
domperidone *check ekg; gastric pacer)
*BETTER GLYCEMIC CONTROL/HgB A1C
Mechanical / structural disorders assoc with dysphagia
- Schatzki’s ring
- Esophageal Stricture
- Zenker’s diverticulum: False diverticulum/ outpouching. Sxs: dysphagia, choking, cough, aspiration,regurgitation of undigested food (esp. in am)
- Esophageal Web: r/t Iron Deficiency Anemia. part of Plummer Vinson Syndrome
- Esophageal Cancer: solids only
Peptic Ulcer Dz: two types
compared?
assoc with what?
Gastric vs Duodenal 1:5 ratio (duodenal 5x more common) 55-70 yrs vs 30-55 yrs both MC w/ NSAID use and H.Pylori + ETOH and smoking decr ulcer healing
H. Pylori Tx
- Amoxicillin 1 gm BID and
- Clarithromycin 500 mgm. BID and
- PPI BID
all for 10-14 days
- if PCN allergic - substitute
Metronidazole 500 mg. BID - f/u with *urea breath test or stool 1-3 months after completion - OFF PPI
If PUD present and not on NSAID/ASA,
assume ??????
H Pylori
PUD typical presentation
Dyspepsia
- worse after eating–> lose wt (gastric)
(duodenal- relieved with food–> gain wt)
- Periodicity (exacerbations/remissions)
May be asymptomatic and appear as a GI bleed acutely
GI/PUD Red Flags
- Anemia
- Weight loss
- Positive hemoccult
- Hematemesis/melena
- Persistent vomiting
- Hepatomegaly/abd mass
- Dysphagia
- Progressive symptoms
PUD: Empiric Tx vs. imaging/EGD
- Empiric if 50 yrs (?)
- Are these new sxs? Are they also iron def anemic? wt loss? Other alarm symptoms? —> cancer?????
When to consider Zollinger-Ellison Syndrome?
- Recurrent PUD patients
- PUD with hypercalcemia
- Neg H. Pylori, Neg NSAID/ASA use
- Those with severe abd pain, diarrhea
- Elevated serum gastrin level
Cholangitis is what?
Diagnosed by what symptom clusters?
- infection of the common bile duct, usually gallstone or tumor - HIGH M&M
- Charcot’s triad
- fever > 40
- RUQ pain
- Jaundice
and Reynold’s pentad
- Above PLUS
- Altered mental status
- Hypotension
Cholelithiasis presentation?
- Often asymptomatic or recurrent RUQ/epigastric abd px, postprandial nausea +/- vomiting
- 5 F’s: female, fat, forty, fertile, fair
- 75% cholesterol stones
- Estrogen, fibric acid drugs
- hypertriglyceridemia
- Type II DM
- Estrogen, fibric acid drugs
Biliary Colic is?
Presentation?
- Transient cystic duct obstruction
- Right upper quadrant or epigastric pain that radiates to back
- 15 min-2 hr after fatty foods
- Nocturnal pain is common
- Abdominal exam and labs will often be
normal if the patient isn’t having an attack
Anatomy and pathology
- Biliary Colic
- Acute Cholecystitis
- Choledocholithiasis
- Cholangitis
- Biliary Colic: Transient cystic duct obstruction
- Acute Cholecystitis: Sustained obstruction of cystic duct
- Choledocholithiasis: common bile duct stones (incr LFT’s, jaundice, n/v, biliary colic)
- Acute Cholecystitis: infection of the common bile duct (charcot’s triad)
Primary sclerosing cholangitis is caused by?
often associated with?
Autoimmune, post-infectious, vascular
Mostly young men 20-40 y/o
Often associated w/ IBD (2/3 have UC)
Autoimmune Hepatitis
Younger women ages 30-50 y/o No serological evidence of viral hep or h/o etoh, parenternal exposure Labs: Elevated transaminases +ANA (anti-nuclear antibody) +ASMA (anti-smooth muscle antibody)
Acute pancreatitis Clinical Presentation
Severe epigastric pain radiating into back Nausea and vomiting Tachycardia Orthostasis/dehydration/hypotension Dx: - Increased S. amylase and S. lipase - Leukocytosis with a left shift - CT