GI from PANCE Pearls Flashcards
What are common causes of Esophagitis
GERD is #1
Infections, particularly in immunocompromised (Candida, CMV, HSV)
Sx of Esophagitis
Odynophagia (pain with swallowing)
Dysphagia (difficulty swallowing)
Retrosternal Chest Pain
Dx of Esophagitis
Upper Endoscopy
Esophagram
Tx of Esophagitis
Tx underlying cause
What is Infectious Esophagitis
Usually seen in immunocompromised
What are 3 most common types of Infectious Esophagitis
Candida
CMV
HSV
Sx of 3 most common types of Infectious Esophagitis
Candida: Linear Yellow White Plaques
CMV: Large, Superficial Shallow Ulcers
HSV: Small, Deep Ulcers
Tx of 3 most common types of Infectious Esophagitis
Candida: Fluconazole
CMV: Ganciclovir
HSV: Acyclovir
What is Eosinophilic Esophagitis
Allergic, Inflammatory Esophageal Inflammation
What else is typically seen with Eosinophilic Esophagitis
Atopic Disease
Allergies, Asthma, Eczema
Sx of Eosinophilic Esophagitis
Dysphagia
Dx of Eosinophilic Esophagitis
Tx of Eosinophilic Esophagitis
Endoscopy: See normal with multiple corrugated rings
Steroids
What is GERD
Transient relaxation of LES leads to gastric acid reflux which in turn leads to esophageal mucosal injury
What are complications of GERD
Esophagitis, Stricture, Barrett’s Esophagus, Esophageal Adenocarcinoma
Sx of GERD
Heartburn (Pyrosis), retrosternal chest pain often post prandial, regurgitation, Dysphagia, Cough
Atypical Sx: Hoarseness, Aspiration pneumonia, Asthma
Dx of GERD
1st line
Gold Standard
Others
Clinical Dx
Endoscopy is 1st line
24 hour Ambulatory pH Monitoring is Gold Standard
Esophageal Manometry
Tx of GERD
Lifestyle Modifications (avoid fatty/spicy meals), avoid recumbency for 3 hours after eating
H2 Blockers 1st
PPI
Nissen Fundoplication if refractory
What is Achalasia
Loss of Auerbach’s Plexus that leads to increased LES pressure
What leads to Achalasia
Failure of LES to relax which leads to obstruction of peristalsis
Sx of Achalasia
Dysphagia to solids and liquids Malnutrition Weight Loss Dehydration Regurgitation Chest Pain, Cough
Dx of Achalasia
Gold Standard
Others
Esophageal Monometry is Gold Standard
Double-Contrast Esophagram: Bird’s Beak Appearance, shows LES narrowing
Tx of Achalasia
Goal is to decrease LES pressure
Botulinum Toxin Injection (lasts 6-12 months)
Nitrates, CCB, Pneumatic Dilation
What is Nutcracker Esophagus
Excessive Contractions during Peristalsis
Sx of Nutcracker Esophagus
Dysphagia to liquids and solids, Chest Pain
Dx of Nutcracker Esophagus
Monometry: Shows increased pressure during peristalsis
Tx of Nutcracker Esophagus
Goal is to lower esophageal pressure
CCB, Nitrates, Botox, Sildenafil
What is Zenker’s Diverticulum
Pharyngoesophageal Pouch (False Diverticulum) It only involves the Mucosa
Where is a Zenker’s Diverticulum located
At the junction of the pharynx and esophagus
Sx of Zenker’s Diverticulum
Dysphagia
Regurgitation
Cough
Lump in neck
Dx of Zenker’s Diverticulum
Barium Swallow
See a collection of dye behind esophagus
Tx of Zenker’s Diverticulum
Diverticulectomy, Cricopharyngeal Myotomy
What is Boerhaave’s Syndrome
A full thickness rupture of the distal esophagus
It’s assocaited with repeated, forceful vomiting (Bulimia)
Sx of Boerhaave’s Syndrome
Retrosternal Chest pain worse with deep breathing and swallowing
PE: Crepitus on chest auscultation due to Pneumomediastinum (air in mediastinum)
Dx of Boerhaave’s Syndrome
CT
Tx of Boerhaave’s Syndrome
Surgery
What is a Mallory-Weiss Tear
UGI bleed due to longitudinal mucosal lacerations at the GE junction or gastric cardia
What leads to a Mallory-Weiss Tear
Sudden rise in intragastric pressure or gastric prolpase into esophagus, such as through persistent retching/vomiting after an alcohol binge or bulimic vomiting
Sx of Mallory-Weiss Tear
Retching/Vomiting which leads to hematemesis after an alcohol binge
Melena
Hematochezia, Syncope, Abdominal Pain, Hydrophobia
Dx of Mallory-Weiss Tear
Upper Endoscopy: See superficial longitudinal mucosal erosions
Tx of Mallory-Weiss Tear
Supportive if no active bleeding
If active bleeding, give epinephrine injection, sclerosing agent, band ligation, hemo-clipping or balloon tamponade
What is an Esophageal Web
Thin membranes in the mid-upper esophagus
What is Plummer-Vision Syndrome
Dysphagia + Esophageal Webs + Iron Deficiency Anemia
What is Esophageal Rings
Mucosa Lower-Esophageal Constrictions at Squamocolumnar Junction
Sx Esophageal Rings
Dysphagia especially with solids
Dx of Esophageal Rings
Barium Swallow, especially with solids
Tx of Esophageal Rings
Endoscopic Dilation of the Areas
What is an Esophageal Varices
What is this the result of
Dilation of gastroesophageal collateral, submucosal veins
This is a result of portal vein hypertension
Risk Factors for Esophageal Varices
Cirrhosis
Sx of Esophageal Varices
Upper GI Bleed (Hematemesis, Melena, Hematochezia_
Dx of Esophageal Varices
Upper Endoscopy: See Enlarged Veins
May see red wale markings and cherry red spots
Tx of Acute Active Bleeding Esophogeal Varices
Endoscopic Ligation is first
Pharmacologic Vasocontrictors: Octreotide, Vasopressin
Balloon Tamponade
Surgical Decompression: TIPS (Trans Jugular Intrahepatic Portosystemic Shunt
Tx to Prevent Rebleeds in Esophageal Varices
Non-Selective Beta Blockers (Propranolol, nadolol)
Isosorbide (Long acting Nitrate)
Abx Prophylaxis: Fluorquinolones (Norfloxacin)
What is a Hiatal Hernia
Portrusion of the upper portion of the stomach into the chest cavity due to diaphragm tear or weakness
What is a Type I Hiatal Hernia
Tx
Sliding Hernia
GE Junction and stomach slid into the mediastinum
Tx as GERD
What is a Type II Hiatal Hernia
Tx
Rolling Hernia
Fundus of stomach portrudes through diaphragm with the GE junction remaining its its anatomic location
Tx: Surgical Repair
What is the most common type of Esophageal Neoplasms
Squamous Cell
What causes Esophageal Neoplasms
Smoking and Alcohol
Reduced fruits and vegetables
Hot beverages
Ingestion
Where is the most common site for a squamous cell Esophageal Neoplasms and who is most at risk
Upper 1/3 of the esophagus
African Americans
What is the second most common type of Esophageal Neoplasm
Adenocarcinma
Who typically gets Adenocarcinoma of the Esophagus
Younger patients
Complication of GERD/Barrett’s Esophagus
Where is the most common site for adenocarcinoma Esophageal Neoplasm
Lower 1/3 of Esophagus
Sx of Esophageal Neoplasm
Solid food Dysphagia, with eventual liquid dysphagia
Weight Loss, Chest Pain, Anorexia
Hypercalcemia
Dx of Esophageal Neoplasm
Endoscopy with biopsy
Tx of Esophageal Neoplasm
Resection, Radiation, Chemo (5-FU)
What is Gastritis
Superficial Inflammation/Irritation of the stomach mucosa with mucosal injury
What is Gastropathy
Mucosal Injury without evidence of inflammation
What causes Gastritis
Imbalance between increased aggressive and decreased protective mechanisms of gastric mucosa
- H.Pylori
- NSAIDS/ASA use
- Acute Sress
Sx of of Gastritis
Asymptomatic
Upper GI bleeds
Epigastri Pain
N/V
Dx of Gastritis
Endoscopy
H.Pylori Testing
Tx of Gasritis
If H.Pylori Positive: Triple Therapy (Clarithromycin + PPI + Amoxicillin)
If H. Pylori Negative: PPI, Anatacids, H2 blockers
What leads to a Gastric Ulcer
Decrease in mucosal protective factors
Mucus, Bicarbonate, Prostaglandins, Blood Flow
What leads to Duodenal Ulcer
Increase in damaging factors
Acids, Pepsin
What is more common, Gastric Ulcers or Duodenal Ulcers
Duodenal Ulcers
What leads to ulcers
H.Pylori Infections
NSAIDS/ASA use
Zollinger-Ellison Syndrome (Gastrinoma)
Sx of Ulcers
Asymptomatic
Dyspepsia (Epigastric Pain/burning/gnawing)
GI Bleed
Sx of Duodenal Ulcer
Relief with food, antacids
Worse before meals
Nocturnal sx
Sx of Gastric Ulcer
Pain after a meal
Weight Loss
Dx of PUD
Endoscopy with Biopsy to r/u malignancy GOLD STANDARD
Upper GI Series
Dx of H.Pylori
Endoscopy with Biopsy Urea breath test (if endoscopy can't be done) H.Pylori Stool Antigen (used to confirm eradication) Serologic Antibodies (used to confirm infection only, not eradication)
Tx of PUD
H.Pylori Positive: Triple Therapy (Clarithormycin + PPI + Amoxicillin)
H.Pylori Negative: H2 blockers, PPI, Antacids
Parietal cell Vagotomy if refractory
What is Zollinger Ellison Syndrome
Gastrinoma that results in gastric acid hypersecretion and eventually leads to PUD
Where is the most common site for Zollinger Ellison Syndrome
Duodenal Wall followed by Pancreas
Sx of Zollinger Ellison Syndrome
Multiple Peptic Ulcers
Refractory Ulcers
“kissing” ulcers: stacked side to side, touching each other
Abdominal pain, diarrhea
Dx of Zollinger Ellison Syndrome
Fasting Gastrin Level: Increased levels, best screening
Positive Secretin Test (gastrin released in response to secretin in gastrinomas), normally gastrin is inhibited by secretin
Increased Basal Acid Output
Somatostatin Receptor Scintography
Tx of Zollinger Ellison Syndrome
Surgical resection of tumor
If mets: PPI, surgical resection if liver involved
What is the most common type of Gastric Carcinoma
Adenocarcinoma
What are Risk Factors for Gastric Carcinoma
H. Pylori
Salted, cured, smoked, pickled foods containing nitrites
Pernicious Anemia
Sx of Gastric Carcinoma
Indigestion
Weight loss, early satiety, abdominal pain/fullness, N/V
Supraclavicular LN, Umbilical LN
Dx of Gastric Carcinoma
Upper endoscopy with biopsy
See Linitis Plastica a type of gastric cancer (diffuse thickening of stomach wall due to cancer infiltration)
Adenocarcinoma
Tx of Gastric Carcinoma
Gastrectomy
Radiation, Chemo
What is Pyloric Stenosis
Hypertrophy and Hyperplasia of muscular layers of pylorus
When is the common age to have Pyloric Stenosis
3-12 weeks old
Sx of Pyloric Stenosis
Nonbilious projectile vomiting
Emesis after feeding
Dehydration, malnutrition
Olive Shaped mass: nontender, mobile, firm to right of umbilicus
Dx of Pyloric Stenosis
Ultrasound
Upper GI Contrast: See String Sign
What is 2 common reasons for Hepatic Vein Obstruction
Primary: Hepatic vein thrombosis
Secondary: Hepatic Vein Occlusion
What are risk factors for Hepatic Vein Obstruction
Idiopathic
Hypercoagulable state
What is the pathophysiology with Hepatic Vein Obstruction
Hepatic vein Thrombosis or Occlusion leads to decreased liver drainage, portal HTN, and Cirrhosis
What are sx of Hepatic Vein Obstruction
Tried of Ascites, Hepatomegaly, RUQ pain
Jaundice, Hepatosplenomegaly
Dx of Hepatic Vein Obstruction
Ultrasound
Tx of Hepatic Vein Obstruction
Shunts (TIPS)
Angioplasty with stent
Anticoagulation, Thrombolysis
Diuretics, low sodium diet, large volume paracentesis
What is Cholelithiasis
Gallstones in the gall bladder
What makes up gallstones
Dx of Gallstones
Cholesterol
Ultrasound
What are risk factors for cholelithiasis
5 F’s
Fat, Fertile, Forty, Female, Fair
OCP
Sx of Cholelithiasis
Asymptomatic, usually incidental finding on ultrasound
Biliary Colic: Episodic epigastric pain beginning abruptly, continuous in duration, resolves slowly, lasts 30mints-hours, Precipitated by fatty foods
Tx of Cholelithiasis
If Asymptomatic: Observe
Cholecystectomy
What is Choledocholithiasis
Gallstones in the biliary tree (common bile duct)
What is Cholangitis
Infection of biliary tree secondary to stone obstruction
As opposed to Cholecystitis which is with the gall bladder itself. This has to deal with the actual biliary system (the ducts)
Sx of Cholangitis
Charcot’s Triad: Fevers/Chills, RUQ pain, Jaundice
Reynold’s Pentad: Above + Shock, AMX
Tx of Cholangitis
Antibiotics (PCN +Aminoglycoside)
Decompression of biliary tree via ERCP stone extraction
What is Acute Cholecystitis
Gall bladder (cystic duct) obstruction by gallstone which leads to inflammation/infection
Sx of Acute Cholecystitis
Biliary Colic
Fever, N/V
Positive Murphy’s Sign (palpable Gallbladder): RUQ pain with insiratory arrest with gallbladder palpation
Dx of Acute Cholecystitis
First choice
Gold Standard
Ultrasound is 1st choice: see thickened GB, distended GB, slude, gallstones
HIDA scan is Gold Standard: Nonvisulatization of gallbladder
Labs: Increased WBC, Increased bili
Tx of Acute Cholecystitis
Conservative: NPO, IV fluids, Abx (3rd gen cephalosporin +Metronidazole)
Cholecystectomy within 72 hours
What labs are seen with Alcoholic Hepatitis
AST:ALT >2
What labs are seen with Viral Hepatitis
AST/ALT >1,000
What labs are seen with Biliary Obstruction or Intrahepatic Cholestasis
Increased ALP
If ALP is increased and GGT is increased, it suggests a hepatic source or biliary obstruction
What labs are seen with Autoimmune Hepatitis
ALT>1,000
Positive ANA
Positive Smooth Muscle Antibodies
What is Fulminant Hepatitis
Acute Hepatic Failure
Rapid Liver Failure with Hepatic Encephalopathy
What is Reye’s Syndrome and what is it associated with
Fulminant hepatitis in children
Usually associated with ASA use or during viral infection
Sx of Reye’s Syndrome
Rash on hands and feet Intractable Vomiting Liver damage and encephalopathy Dilated pupils with minimal response to light Multi-organ failure
What causes Fulminant Hepatitis
Acetaminophen
Drug Reactions
Viral Hepatitis
Sx of Fulminant Hepatitis
Ecephalopathy: Vomiting, Coma, AMS, Seizures, Asterixis, Hyperreflexia, Cerebral Edema
Coagulopathy: Due to decreased hepatic production of coagulation factors
Hepatomegaly, Jaundice
Dx of Fulminant Hepatitis
Increased Ammonia
Increased PT/INR
Hypoglycemia
Tx of Fulminant Hepatitis
Encephalopathy: Lactulose, Neomycin, Protein Restriction
Liver Transplant
What is the definitive tx for Fulminant Hepatitis
Liver Transplant
What are sx of Viral Hepatitis
Prodromal: Malaise, Arthralgia, Fatigue, URI
Icteric Phase: Jaundice
What defines Chronic Hepatitis and what can it lead to
More than 6 months
May lead to end stage liver disease or Hepatocellular Carcinoma
What types of Hepatitis are associated with Fecal-Oral Routes
Hepatitis A and Hepatitis E
What types of Hepatitis are associated with Blood, Sex, Drugs
Hepatitis B, C, and D
Sx of Hepatitis A and Hepatitis E
Malaise, Arthrlagias, Fatigue, URI sx, Jaundice
Dx of Hepatitis A
Positive IgM