Test 5 GI Flashcards
Tx esophageal varices
Vasoactive agents (Octreotide), replace coag factors & blood, abx, maybe balloon tamponade, endoscopy w/ banding/sclerotherapy - finally decompression w/ TIPS
What is Boerhaave’s syndrome & S/S?
Esophageal rupture - hematemesis w/ severe retrosternal pain, hypovolemia & shock, medical emergency, Hx alcoholism or ulcer common
Risk factors for Barrett’s esophagus
- Age 2. Male 3. White 4. Smoker
Red flags of GERD
- Dysphagia 2. Odynophagia 3. Wt loss 4. Early satiety/vomiting 5. Anemia 6. Aspiration 7. Male >45yo 8. Elderly
Causes of GERD
- Inc. intra-abdominal pressure (pregnancy) 2. Tobacco 3. Foods 4. Hormones 5. Meds 6. High volume meals/positioning 7. H. pylori
Tx candidal esophagitis
Fluconazole
S/S Zenker’s diverticulum
- Regurg of undigested food 2. Dysphagia 3. Cough 4. Nocturnal choking 5. Halitosis
Causes of esophageal spasm
- Stomach acid 2. Anxiety disorders 3. Achalasia
Tx of achalasia
Surgery, Botulinum
What is achalasia & what is it characterized by?
LES does not relax to allow food entry into the stomach**esophagram = bird beak
How is scleroderma related to the esophagus?
connective tissue disease that can cause fibrosis of the esophagus
What are Schatzki rings?
smooth, circumferential structures in the lower esophagusmay be caused by stomach acid
What is Zenker’s diverticulum?***
pouching of esophagusmay be due to loss of elasticity at UES & reduced openings/s- regurgitation of undigested food, dysphagia, cough, nocturnal choking, halitosis
What disease is characterized by pouching of the esophagus?
Zenker’s diverticulum***
What disorder causes a bird beak on an esophagram?
Achalasia***
Who is at risk for infectious esophagitis?
immunocompromised Ptscommon pathogens: candida, CMV, Herpes
What is a DDx for cough?
GERDTx: H2 antagonists, PPIs
What is Barrett’s esophagus?
columnar metaplasia of distal esophagus due to chronic inflammationZ-line at GE junctionrisk factor for adenocarcinoma*
What esophageal disorder is at risk for adenocarcinoma?
Barrett’s esophagus
What can chronic inflammation of the esophagus cause?
Barrett’s esophagus -columnar metaplasia of distal esophagus
What is a Mallory-Weiss Tear?
a benign condition, VSS***tear in the esophagushematemesis usually due to vomiting, retching
What disorders can cause abdominal pain but aren’t abdominal disorders?
- MI - common in women2. Pneumonia - common in kids3. GU - PID, ectopic pregnancy, testicular torsion, nephrolithiasis
What are some causes of constipation?
- Diet low in fiber2. Aging3. Dec. activity4. Meds5. Masses6. Hypothyroidism7. Diabetes8. Parkinson’s9. MS
What is gastritis & common causes?
inflammation of the stomachcauses: NSAIDS, peptic ulcer disease
What is gastroenteritis & common causes?
Inflammation of the stomach & small intestinecauses: norwalk virus, N/V/D
How is NSAID gastropathy caused?
NSAIDS block COX1 & COX2 causing inc. acid & mucus, causing inflammation & pain
What are the different types of peptic ulcer disease?
- Gastric2. Duodenal3. H. Pylori
What is gastric peptic ulcer disease & when is it exacerbated?
breakdown of mucosal lining that allows epithelial cells to be exposed to acidworse on empty stomach or immediately after food
What is duodenal peptic ulcer disease & when is it exacerbated?
inappropriate acid secretion in pyloric atrum cells worse 2-3 hrs after a meal, food relieves it
What percentage of each peptic ulcer diseases does H. pylori cause?
75% duodenal60% gastric
What is the name for the gastrin secreting pancreas tumor?
Zollinger-Ellison syndrome RARE
What is the tell-tale sign of Crohn’s?
cobblestoning - skip lesions***chronic granulomatomous lesions
Describe Crohn’s
disease of small bowel, IBDmay extend & form fistulas w/ other organsS/S - diarrhea, cramping, wt loss, eye involvement, arthritis, anemiaabs. issues - ferritin, Fe, B12Cobblestoning - skip lesions
What are the different small bowel obstructions?
- Adynamic ileus2. Mechanical ileus
Adynamic ileus vs. mechanical ileus
A - dec. intestinal motility, meds, surgery, electrolyte imbalance M - post op. adhesions, hernias, neoplasms, blockage
A disease process that has sever pain followed by vomiting is????
mesenteric ischmia uncommon but deadly older Pts, occlusion, vasospasm, vasoconstriction of superior/inferior mesenteric artery
What are the large bowel disorders?
- Ulcerative colitis2. Diverticulitis/diverticulosis3. Toxic megacolon4. Large bowel obstruction5. Pseudomembranous colitis
What is the S/S of diverticulitis?
LLQ ab. pain***, fever, constipation/diarrhea
Describe diverticulitis
herniation through muscles of intestinal wall-from low fiber diet, may be asymptomatic bowel rest, no colonoscopy for 6 wks, high fiber diet, wt loss
What are the causes & risks of toxic megacolon?
c - ulcerative colitis, Chron’s, infectionsr - sepsis & bowel perforation
What is twisting of the bowel called?
volvuluscecum & sigmoid most common, may constrict blood flow
What is telescoping of the bowel called?
Intussusceptionexcacerbated peristalsis
Large bowel obstructions may lead to…?
- Gangrene2. Shock3. Perforation
Another name for pseudomembranous colitis?
antibiotic assoc. colitis= C. Diff
What is a tell-tale sign of IBS?
Mucousy diarrhea**/constipationNOT IBS = blood, wt loss, fevers
What is Hirschsprungs?
congenital -absence of autonomic nerve ganglia, ENS usually affects rectosigmoid regioncomplications - constipation, bacterial growth, diarrhea & enterocolitis
Which substances does Celiac cause a dec. absorption?
Fe, B12, folate, Vit D & K –anemiaautoimmune
What is Whipple’s disease & S/S?
Very rare bacterial infection, farmer’s soilS/S - steatorrhea, wasting, edema, endocarditis, uveitis, lymphadenopathy, dementia
What disease is from a loss of your pyloric sphincter?
Dumping syndrome small gastric capacity, water pulled into intestine
Name the inflammation diseases of GI
- Stomatitis2. Esophagitis3. Gastritis4. Peptic ulcer disease5. Crohn’s6. Ulcerative colitis7. Enterocolitis8. Diverticulitis
Name the motility disorders of GI
- Achalasia2. IBS3. Obstruction4. Volvulus5. Intussusception6. Hirschsprung
Name the malabsorption disorders of GI
- Celiac2. Dumping3. Short Bowel Syndrome
What are the S/S of esophageal cancers?
wt. lossdysphagiahoarseness
Describe squamous cell carcinoma esophageal cancer
most common in old black men, EtOH, tobacco, poor diet, Hx of head/neck radiation
Describe adenocarcinoma esophageal cancer
CA of glandsBarrett’s esophagus & other high acid states
What is a tell-tale sign of gastric cancer?
Epigastric mass***
What are the risk factors for colon cancer?
2nd leading cause of CA death, risk doubles every decadeIBD, ulcerative colitis, Hx adenomatous polyps, 1st degree relative, tobacco, obesity, diet, high fat, low fiberFamilial adenomatous polyposisHereditary non-polyposis colon CAwatch CEA-125***
Describe bile composition
- Water2. Electrolytes3. Bile acids4. Cholesterol5. Pigment6. Phospholipids
What is the function of bile?
digestion of lipids/fattransport waste from liver (bilirubin, IgA, toxins, cholesterol)
What are the risk factors of gall stones?
FatFemaleFertileFortyFH, Sickle cell disease, TPN, pregnancy
What can gall stones be made of?
70% cholesterolBilirubinCaCO3phosphate
What is biliary colic?
Transient cystic obstruction
What is acute cholecystitis & S/S?
persistent cystic obstructionRUQ pain to R scapula***, +/- fever, anorexia, dyspepsia, N&V
Complications of acute cholecystitis
- Gangrenous cholecystitis 2. Empyema, Cholecystoenteric fistula, biliary peritonitis/sepsis, cholangitis/ascending cholangitis
Tx acute cholecystitis
- Laparoscopic cholecystectomy 2. Chemodissolution 3. ESWL (shock wave)
Dx acute cholecystitis
US - stones & gb wall thickening, distention into lumen, HIDA scan, maybe CT, MRCA, ERCP
What is characterized by RUQ pain to the R scapula?
acute cholecystitis
What is choledocholithiasis?
cacluli in common bile duct
How do you diagnose cholelithiasis?
US, HIDA scan, CT, MRCA, ERCP
What are the complications of cholelithiasis?
gangrene, empyema, cholecystoenteric fistula, biliary peritonitis/sepsis, cholangitis
What happens if there is an obstruction in the common bile duct?
cholecystitis & jaundice
What happens if there is an obstruction in the sphincter of oddi or hepatopancreatic duct?
pancreatitis
Risk factors of Acalculous Cholecystitis
- Critical illness/major surgery 2. Men >50 3. TPN more likely to get complications
Risk factors & S/S Primary Sclerosing Cholangitis
RF 1. IDB - ulcerative colitis, Crohn’s 2. AIDS 3. Fasciola hepatica 4. Males 20-50 S/S 1. RUQ pain 2. Jaundice 3. Fevers 4. Wt loss
What is acalculous cholecystitis?
inflammation of gall bladder w/o gall stones
What is primary sclerosing colangitis?
inflammation & fibrosis of the biliary treemay also involve inra/extrahepatic ductsS/S - RUQ pain, jaundice, fevers, wt loss RF - IBD, ulcerative colitis, Crohn’s, AIDS, fasciola hepatica
Describe biliary malignancy
rare, asymptomatic & insidious until late stages, only about 1/5 are found before they metastasize
What enzymes does the pancreas secrete?
- Amylase - carbs2. Lipase - fat, phospholipase A & lecithinase3. Proenzymes - protein, trypsinogen & others, inactive until duodenum4. Bicarb
What are the causes of acute pancreatitis?
- Obstruction of pancreatic duct - digests itself2. Alcohol3. Biliary obstruction4. HypertriglyceridemiaOthers: meds, sphinter of oddi dysfunction, idiopathic, infections
Chronic pancreatitis causes?
From alcoholism 1. Diabetes 2. Malabsorption of fat (Vit A,D,E & K)
Risk factors for pancreatic cancer
- Obesity 2. Tobacco use 3. >50 yo 4. Maybe familial, alcohol, diabetes
S/S pancreatic cancer
- Epigastric pain 2. Anorexia 3. Wt loss 4. Maybe jaundice
Dx pancreatic cancer
- CT scan w/ contrast 2. FNA 3. CA 19-9
Tx pancreatic cancer
- Head - whipple 2. Tail - distal pancreatectomy 3. Chemo 4. Maybe radiation
Ranson Criteria
Assessment of severity of Pancreatitis Admission 1. Age >55 2. Glucose >200 3. AST >250 4. LDH >350 5. WBC >16,000 After 48h 1. Hct dec. 10% 2. BUN >1.8 3. Serum Ca 4 6. Est fluid sequestration >6L
Tx acute pancreatitis
- NPO 2. IV hydration 3. Analgesics 4. Maybe abx
Necrotizing pancreatitis
20% Pts w/ acute pancreatitis get it, 30% death rate Pseudocysts - collections of digestive enzymes need drained Abscess formation - From liquefaction & necrosis of pancreatic tissue, abx & I&D
S/S of acute pancreatitis?
steady & boring epigastric painN/VRanson criteria assesses pancreatitis , Maybe fever, maybe abd distention
What are the complications of pancreatitis?
- Necrotizing2. Pseudocysts - inc. enzymes, needs drained3. Abscess formation - results in liquefaction & necrosis of pancreatic tissue, collections of pus