Pathophysiology Ch. 36 Cheat Sheet PDF
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Uploaded by RefreshingAntagonist
West Coast University
jaydevine_23
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Summary
This cheat sheet covers pathophysiology of various digestive system conditions. It details topics such as Dysphagia, Esophageal Pain, Abdominal pain, and Diarrhea. Designed for medical students and healthcare professionals.
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Pathophysiology Ch. 36 Cheat Sheet by jaydevine_23 via cheatography.com/205861/cs/43935/ Dysphagia: difficulty swallowing Dysphagia Problem with decreased ability to initiate person may cough to dislo...
Pathophysiology Ch. 36 Cheat Sheet by jaydevine_23 via cheatography.com/205861/cs/43935/ Dysphagia: difficulty swallowing Dysphagia Problem with decreased ability to initiate person may cough to dislodge the symptoms tend to worsen with liquid rather Type 1 delivering food the swallowing sequence* solid/liquid or may aspirate when than solid or fluid to the attempting to swallow esophagus Dysphagia Problem with result of a disorder (struc‐ persons may feel as though the disorders include esophageal diverticula: Type 2 transporting tural or neuromuscular)) in food is stuck behind the sternum outpouchings of one or more layers of the the bolus (food which the peristaltic and if underlying pathology is not esophagus | achalasia: in which the smooth piece) down movement of the throat is resolved can worsen to include muscle is altered | neoplasms or strictures the throat altered liquids Dysphagia Problem with Secondary to lower categorized as a tightness or pain tumors in the mediastinum or below may Type 3 bolus entering esophageal dysfunction or in the substernal area when reduce LES function and chronic inflam‐ the stomach lesions that obstruct the swallowing mation of the lower esophagus can lead to pathway further inability Esophageal Pain Heartb caused by a reflux of the a substernal burning sensation that the acid irritates the esophageal mucosa and can also urn/Py‐ gastric fluids radiates up to the neck cause spasm of the throat muscles rosis Chest esophageal distention (enlar‐ pain radiates to neck, jaw, shoulder and esophageal obstruction ir diffuse esophageal spasm pain ging) or powerful muscle arm (similar to angina pectoris) and where there is a high magnitude spasm between normal contractions odynophagia peristalsis By jaydevine_23 Published 31st July, 2024. Sponsored by CrosswordCheats.com cheatography.com/jaydevine- Last updated 31st July, 2024. Learn to solve cryptic crosswords! 23/ Page 1 of 11. http://crosswordcheats.com Pathophysiology Ch. 36 Cheat Sheet by jaydevine_23 via cheatography.com/205861/cs/43935/ Esophageal Pain (cont) infection chest infections in the esophagus in immunocompromised dull, aching chest can worsen heartburn and regular chest pain individuals pain pain Abdominal pain: first sign of GI tract disroder visceral due to stretching or inflammation diffuse, poorly localized pain which can be knawing, burning or pain cramping somatic injury to abdominal pain, parietal peritoneum, mesentery sharp intense pain at the area of injury, well localized pain or diaphragm referred pain in the same neurosegment felt in other part sharp well localized pain that may be felt deep and at a location away pain from the injury acute instantaneous onset chronic gradual onset usually accompanied by other signs/symptoms such as vomiting/emesis or bowel alteration Diarrhea acute diarrhea due to acute infection, emotional stress, leakage of liquid stool around impacted stool chronic symptoms last longer than 4 weeks, due to chronic GI tract infection, alterations in motility or integrity, malabs‐ orption, endocrine disorders episodic diarrhea probably related to food allergy or ingestion of irritants such as caffeine osmotic increased amount of poorly soluble nutrient intake such as carbs which pull water into the bowel lumen secretory caused by toxins that stimulate intestinal fluid secretion and lower absorption, ~ 1L of diarrhea exudative (mucus, blood or blood, protein and mucus getting into the bowel lumen from the site of inflammation protein) By jaydevine_23 Published 31st July, 2024. Sponsored by CrosswordCheats.com cheatography.com/jaydevine- Last updated 31st July, 2024. Learn to solve cryptic crosswords! 23/ Page 2 of 11. http://crosswordcheats.com Pathophysiology Ch. 36 Cheat Sheet by jaydevine_23 via cheatography.com/205861/cs/43935/ Diarrhea (cont) motility distrubances decreased time and contact of chyme with the absorptive enzymes increase in fluidity and frequency of the stool, may be very liquidy Disorders of the mouth Stomatitis ulcerative inflammation of the mouth oral mucosa causes: viral or bacterial infections, mechanical trauma, irritant exposure (alcohol/tabacco), medication, radiation therapy, autoimmune disorders and nutrient deficiency most common type: HSV acquired most by children which causes tingling and itching and leave behind painful ulcers that have herpetic gingivostomatitis ruptures and HSV stays dormant in the dorsal ganglia reactivating years later treatement: antiviral/biotics for infections, topical or systemic steroids for autoimmune causes, general treatment in oral hygiene and topical barriers or steroids Hiatal hernia the stomach pushes up into the chest cavity through the - diaphragm risk increases with age, women more than men - 2 types: siding hernia (most common), paraesophageal sliding herniais when a portion of the stomach and gastroesophageal junction move hernia or mixed up the diaphragm - paraesophageal hernia is when the greater curvature of the stomach pushes up risk factor anything that increase intraabdominal pressure such as pregnancy, obesity and chronic straining or coughing By jaydevine_23 Published 31st July, 2024. Sponsored by CrosswordCheats.com cheatography.com/jaydevine- Last updated 31st July, 2024. Learn to solve cryptic crosswords! 23/ Page 3 of 11. http://crosswordcheats.com Pathophysiology Ch. 36 Cheat Sheet by jaydevine_23 via cheatography.com/205861/cs/43935/ Hiatal hernia (cont) treatment similar to GERD with surgery fro acute manifestations life threatning in a large proion of the stomach becomes incarcerated which is rare GERD pathoegenesis any agent that alters the strength of the LES or increases intraabdominal pressure risk factor ingesting fatty foods, smoking, alcohol, pregnancy, caffeine, anatomical features such as a hiatal hernia clinical manifests: attributed to heartburn, regurgitation, chest pain, dysphagia (difficulty swallowing)) esophagitis (inflammation) treatment increase LES strength, esophageal clearance, imprvoe gastric emptying, suppress acidity, avoid dietary risk factors treatment (cont.) antacids, histamine blockers (sporadic GERDS), proton pump inhibitors have been known to reverse changes from chronic GERD, surgical intervention Barrett esophagus complication of GERDS where the epithelium of the esophagus changes to another leads to a higher risk of cancer progression can lead to ulceration, fibrotic scarring, esophageal strictures LES: lower esophageal sphincter GERDS: backflow of gastric contents into the esophagus peptic ulcer disease etiology disorder of the upper GI tract caused by acids and pepsin which causes injury to the mucosa of the throat, stomach or duodenum - an increase in the factors that cause ulcers than those that do not cause NSAIDS, smoking, genetics, h. pyelori which is crucial to the formation of ulcers and thrives in acidic conditions By jaydevine_23 Published 31st July, 2024. Sponsored by CrosswordCheats.com cheatography.com/jaydevine- Last updated 31st July, 2024. Learn to solve cryptic crosswords! 23/ Page 4 of 11. http://crosswordcheats.com Pathophysiology Ch. 36 Cheat Sheet by jaydevine_23 via cheatography.com/205861/cs/43935/ peptic ulcer disease (cont) H. pyelori lowers healing and has a high rate of recurrence gastric breakdown of the mucosal barrier that usually prevents the acid from diffusing to the rest of the body (aspirin, NSAIDS, alcohol and cause bile) duodenal excess acid secretion and increased activity of the vagus nerve which stimultes the cells to release gastrin which targets cells to cause release HCl leading to high HCl clinical epigastric burning pain relived by food or dairy or antacids | life threatening complication such as GI bleeding manifests diagnosis Upper GI barium contrast radiography, endoscopy to visualize ulcers, testing for h. pyelori treatment encourage healing of mucosa by reducing acid, prevent recurrence, h. pyelori antibiotics, proton pump inhibitors and sucralfate which forms a protective barrier, no smoking, reduce stress ulcerative colitis etio chronic inflammation of rectal and colon mucus, large ulcers forming clinical manifest and increased risk of cancer after 7 - 10 years, exacebations and remission, bloody diarrhea and lower abdominal pain comlication treatment corticosteroid, broad spectrum antibiotics, salicylate analog, immunomodulating drugs, IV followed by oral cyclos‐ porine for refractory inflammation - abscess formation - abscesses begin to combine - large ulcers form Colon cancer risk factor age 40+, high fiber and fat diet, polyps, chronic irritation/inflammation, hereditary diagnosis recommend colonoscopy every 10 years after reaching risk age By jaydevine_23 Published 31st July, 2024. Sponsored by CrosswordCheats.com cheatography.com/jaydevine- Last updated 31st July, 2024. Learn to solve cryptic crosswords! 23/ Page 5 of 11. http://crosswordcheats.com Pathophysiology Ch. 36 Cheat Sheet by jaydevine_23 via cheatography.com/205861/cs/43935/ Colon cancer (cont) familial adenom‐ where three or more family members have colorectal cancer, two generations of colorectal cancer or one or more cases of atous polypsis: colorectal cancer before age 50 clinical manifest right: tarry, black stool | left side: intermittent cramping with stringy stool with mucus or blood | rectum: change in bowel based on location habits, urgent need to defecate upon waking, rectal fullness, alternating diarrhea/constipation, rectal ache prognosis the earlier the prognosis the better, based on tumor size, location, invasion, if it metastasized, and uses the TMN classific‐ ation treatment colostomy (opening colon via abdomen), surgical removal, chemo or radiation second only to lung cancer in the US Intestinal obstruction partial or complete blockage mechanical: tumors, hernia, functional: inhibition of perist‐ ogilvie: recurrent bout of ileus of samll/large bowel volvolus alsis clinical manifest increase bowel sound, pain, absence of bowel sounds upper jejunal area: vomit, dehydration nausea, vomit and electrolyte depletion risk factors surgery for adhesions congenital abnormalities of the metastatic cancer esp from female bowel reproductive or intestinal tract treatment remove mechanical block surgical intervention or decomp‐ fluid/electrolyte replacement ression with tube other info if left untreated can lead to perfor‐ necrosis leads to bowel fluid, gas, water, electrolyte ation/ischemia, and necrosis gangrene, sepsis and peritonitis accumulate in bowel Intestinal gas Volvulus Megacolon altered caused by swallowing air, - twisting of the bowel itself resulting in Congenital or acquired motility or normal bacterial/enzyme bowel obstruction and blood vessel constr‐ Massive dilation of colon lack of activity, or neutralization of iction Cause: prolonged constipation digestive bicarb in the upper GI - results from 180 twist, ingested foreign Pseudomembranous colitis may result in enzyme body, or adhesion and cannot always be acute megacolon: surgical emergency. belching normal expelling of swallowed determined air - usually in cecum or sigmoid colon Hirschsprung Disease abdominal failure to digest nutrients or a congenital disease in which the Intussusception distention defect in intestinal motility autonomic ganglia are reduced or absent. etiology telescoping of a portion of the more common in males than females and in excessive bacterial digestion of certain bowel into adjacent portion children. Causes difficulty in passing of flatus foods that are gas causing resulting in obstruction (bowel stool 48 hours after birth in children (legumes, vegetables) pushes itself into the other.) Clinical manifestations risk infants and males – Profuse diarrhea, hypovolemic shock, MOTILITY DISORDERS factors intestinal perforation – Stasis of stool and megacolon may occur. treatment surgical – Fecal stagnation; enterocolitis with Irritable Bowel Syndrome IBS bacterial overgrowth Intussusception alternating diarrhea and etiology also Treatment constipation accompanied unclear – Colonic lavage, surgical intervention by cramping with no pathology of the GI tract NEOPLASM OF GI TRACT clinical manifest diarrhea, constipation, cramping, Esophageal cancer: 1-2% of all mucus in stool, risk men are more likely than nausea factor women, genetic, diet high in treatment antidiarrheal nitrosamine, smoking, barrett agents, antisp‐ esophagus, alcohol asmodic progno‐ poor prognosis, can quickly agents, high sis/di‐ metastasize fiber diet agnosis treatment stent placement, tumor ablati‐ on/removal via heat and laser, surgery, radiation and chemot‐ herapy By jaydevine_23 Published 31st July, 2024. Sponsored by CrosswordCheats.com cheatography.com/jaydevine- Last updated 31st July, 2024. Learn to solve cryptic crosswords! 23/ Page 7 of 11. http://crosswordcheats.com Pathophysiology Ch. 36 Cheat Sheet by jaydevine_23 via cheatography.com/205861/cs/43935/ small intestinal neoplasms Colonic polyps Constipation benign or - clinical usually none, but may cause small, infrequent or fewer than 3 stools malignant, manifest gross bleeding and abdominal difficult bowel per week accounts pain movement for less treatment varies in size, type and location low fiber, low fecal impaction than 5 % and removed using a scope exercise, slower can occur where clinical depends on the type and perstalsis due to the stool starts manifest extent of obstruction, can lead Colonic polyps image aging or pathological blocking the GI to biliary stasis (stopping of disorders tract bile) jaundice, bleeding and ulcers MALABSORPTION DISORDERS treatment surgical removal of tumor and DISORDERS REGARDING THE SMALL parts of the intestine - chemot‐ INTESTINE AND INTAKE OF NUTRIENTS herapy Celiac disease Gastric carcinoma a familial will lead to inflammation and risk more prevalent in Japan, men intole‐ atrophy of intestinal vili factor older than 30 years, h. pylori rance to infection, epsetein barr, geneti‐ gluten c/dietary factors, smoking causes: impaired nutrient absorption stages are determined by penetration due to reduced surface area into a major muscle of the Colon cancer staging diagnosis intestinal biopsy, anti tissue stomach and looking at the transglutaminase anitbody and lymphatic system imunoglobulin A endomysial treatment aspirin has protective benefits, antibody surgical removal treatment gluten free diet, corticosteroids, clinical early - asymptomatic | supplemental folate, b12, and manifest advanced: anorexia, weight fat soluble vitamin loss and bleeding By jaydevine_23 Published 31st July, 2024. Sponsored by CrosswordCheats.com cheatography.com/jaydevine- Last updated 31st July, 2024. Learn to solve cryptic crosswords! 23/ Page 8 of 11. http://crosswordcheats.com Pathophysiology Ch. 36 Cheat Sheet by jaydevine_23 via cheatography.com/205861/cs/43935/ Tropical sprue/enteropathy Dumping syndrome (cont) Short bowel syndrome etiology of unknown cause but usually risk common after gastre‐ due to removal of causes severe causes bacterial overgrowth in factor/cause ctomy, gastric surgery majority of the intestines diarrhea and the large intestine where the for obesity, cancer or malabsorption mucus membrane is damaged ulcers reduced ability to absorb (esp if ileocecal due to fermentation due to the large there is also rapid due to short area to allow valve is samll the mucus lining atrophies amount of absorption of glucose in for absorption removed) intestine leading to malabsorption and partially the blood leading to very clinical manifest diarrhea folate and b12 acid deficiency digested food high plasma insulin but treatment supportive to risk those who live or visit countries entering the results in low energy a nutrient intake factor along the equator and in adults intestine it can few hours later due to no more than children cause a shift in food storage in the INFLAMMATORY BOWEL DISEASE osmotic causing stomach clinical bloody diarrhea, abdominal diarrhea manife‐ distention and fat in stool staion steatorrhea clinical manife‐ diarrhea, abdominal Crohn disease station pain, rapid fall in blood treatment antimicrobials, antidiarrheals regional affects proximal portion of the glucose/hypoglycemia and vitamin/electrolyte enteritis colon or terminal ileum supplement treatment eating small but more or granul‐ meals about 6 -8 omatous Dumping syndrome thoughtout the day etio chronic inflammation of all dumping of most likely due to pyloric layers of the intestinal wall due Dumping syndrome image stomach sphincter regulation loss to obstruction and inflam‐ contents into - the sphincter is what mation of the lymph vessels the small allows chyme movement diagnostic ulcerations, strictures, fibrosis, intestine after a from stomach to intestine findings fistulas short amount of clinical fever, diarrhea, right lower time manifest quad pain, RLQ mass, tenderness By jaydevine_23 Published 31st July, 2024. Sponsored by CrosswordCheats.com cheatography.com/jaydevine- Last updated 31st July, 2024. Learn to solve cryptic crosswords! 23/ Page 9 of 11. http://crosswordcheats.com Pathophysiology Ch. 36 Cheat Sheet by jaydevine_23 via cheatography.com/205861/cs/43935/ Crohn disease (cont) Mallory-Weiss Syndrome (cont) ENTEROCOLITIS treatment alleveiating and reduce inflam‐ treatment blood transfusion thought mation, stop smoking, drugs bleeding may stop on its own, similar to ulcerative colitis, no controlling active bleeding with Antibiotic associated colitis definitive care mostly coagulation techniques, etiology inflammation and necrosis of th supportive epinephrine injection etc. large intestine due to clostr‐ idium difficile or antibiotics and Crohns v. ulcerative esophageal varices mediated by bacterial toxins etiology portal hypertension from clinical diarrhea, abdominal pain, alcoholism or viral hepatitis manifests leukocytosis, sepsis or perfor‐ causes in tropical areas a species of liver ation fluke treatment stop antibiotics if possible, treat a high mortality rate and it affects more than ischemia or any contributing half of patients with cirrhosis factors, fecal transplant if severe Portal hypertension Necrotizing enterocolitis occurs in infants diffuse or patch