GI Flashcards

1
Q

Backflow of gastric contents into esophagus through LES

Inflammation caused by reflux of highly acidic material (esophagitis)

A

GERD

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2
Q

Any condition or agent that alters closure strength of LES or increases abdominal pressure, fatty foods, caffeine, large amounts of alcohol, cigarette smoking, pregnancy, anatomic features (ex: hiatal hernia)

A

GERD

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3
Q

Clinical manifestations

Heartburn, regurgitation, chest pain, dysphagia

A

GERD

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4
Q

Increasing LES pressure
Enhancing esophageal clearance
Improving gastric emptying
Treatment for _________

A

GERD

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5
Q

Suppressing gastric acidity
Avoiding tobacco and aggravating food and drink
Treatment for _______

A

GERD

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6
Q

Over-the-counter antacids and histamine (H2)-blocking medications used for treatment of ______

A

occasional GERD

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7
Q

Proton pump inhibitors (PPIs) are the mainstays for ______

A

chronic GERD

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8
Q

Upper GI endoscopy for ongoing symptoms
Endoscopic dilatation for strictures
Treatment for _____

A

GERD

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9
Q

Surgical intervention (thoracoscopic Nissan fundoplication) for ________

A

intractable GERD

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10
Q

Columnar tissue replaces normal squamous epithelium of the distal esophagus.
Carries a significant risk for esophageal cancer

A

Barrett esophagus/type of GERD

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11
Q

Progression can lead to ulceration, fibrotic scarring.

Esophageal strictures

A

GERD

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12
Q

Pulmonary symptoms—cough, asthma, and laryngitis—from reflux in breathing passages

A

GERD

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13
Q

Complication of portal hypertension resulting from alcoholic or viral hepatitis

A

Esophageal Varices

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14
Q

In developing countries, Schistosoma species of liver flukes major cause
Affects more than half of cirrhotic patients
High mortality rate

A

Esophageal Varices

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15
Q

Inflammation of the stomach lining

A

Gastritis

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16
Q

Precipitated by ingestion of irritating substances
Example: alcohol and aspirin, NSAIDs, viral, bacteria, autoimmune
______ Gastritis

A

Acute

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17
Q

Clinical manifestations

May be asymptomatic; anorexia, n/v, postprandial discomfort, hematemesis

A

Gastritis

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18
Q

Treatment

Remove offending agent

A

Gastritis

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19
Q

Helicobacter pylori is nearly always a factor
Transmission: person to person, fecal-oral route, reservoir in water sources
in _______

A

chronic gastritis

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20
Q
Complications
Peptic ulcer disease
Atrophic gastritis
Gastric adenocarcinoma
Mucosa-associated lymphoid tissue lymphoma
Decreased acid and intrinsic factor
A

chronic gastritis

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21
Q

Inflammation of stomach and small intestine (usually self-limiting)

A

Gastroenteritis

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22
Q

_______ gastroenteritis: usually result of another GI disorder

A

chronic

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23
Q

______ gastroenteritis: direct infection by pathogenic bacteria or bacterial toxin
May be caused by imbalance in normal bacterial flora by introduction of unusual bacteria (travel)

A

acute

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24
Q

Disorders of upper GI tract caused by action of acid and pepsin
Injury to the mucosa of the esophagus, stomach, or duodenum
Range from a slight mucosal injury to severe ulceration

A

Peptic Ulcer Disease

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25
Increase in factors that tend to injure the mucosa relative to factors that tend to protect it
Peptic Ulcer Disease (PUD)
26
NSAIDs, stress (glucocorticoids), smoking, genetics | causes of ______
PUD
27
No connection between ______ and PUD
diet
28
Key role in promoting both gastric and duodenal ulcer formation
H Pylori
29
Thrives in acidic conditions Slow rate of ulcer healing High rate of recurrence
H Pylori
30
H Pylori a cause of ______
PUD
31
Clearance of H. pylori promotes ulcer healing IN ____
PUD
32
Caused by breakdown of protective mucous layer that normally prevents diffusion of acids into gastric epithelia because of chronic irritations Aspirin, NSAIDs, alcohol, and bile acids
Gastric PUD
33
Inappropriate excess secretion of acid
Duodenal PUD
34
Increased basal activity of vagus nerve Stimulates pyloric antrum cells to release gastrin to act on gastric parietal cells to release HCl Results in high level of HCl
Duodenal PUD
35
Epigastric burning pain that is usually relieved by the intake of food (especially dairy products) or antacids
PUD
36
Life-threatening complications, such as GI bleeding, may occur with no warning.
PUD
37
Pain of _______ulcers typically occurs on an empty stomach but may present soon after a meal. Pain of _______ulcer classically occurs 2 to 3 hours after a meal and is relieved by further food ingestion.
GASTRIC; DUODENAL
38
Upper GI barium contrast radiography or by endoscopy | diagnosis for _______
PUD
39
_____ ulcers should be visualized with endoscopy and biopsied to rule out malignancy.
gastric
40
Testing for H. pylori diagnoses _____ Recommended for ____ Controversial for _____
PUD; gastric; duodenal
41
Encourage healing of the injured mucosa by reducing gastric acidity. Prevent recurrence H. pylori antibiotics Treatment for ______
PUD
42
H2 antagonists Proton pump inhibitors Sucralfate (forms protective coating over injured mucosa) Treatment for _______
PUD
43
Smoking cessation Avoidance of ASA and NSAIDs Treatment for _______
PUD
44
Stress reduction Avoid irritating foods that exacerbate symptoms. Caffeinated beverages and alcohol for ex. Treatment for ________
PUD
45
Complications: perforation, bleeding
PUD
46
Chronic inflammatory disease of the mucosa of the rectum and colon Large ulcers form in mucosal layer of colon and rectum.
Ulcerative Colitis
47
Begins as inflammation at base of crypts of Lieberkühn; damage results; abscess formation in crypts; abscesses begin to coalesce, large ulcerations develop in epithelium
Ulcerative Colitis
48
Associated with increased cancer risk after 7 to 10 years of disease Have exacerbations and remissions
Ulcerative Colitis
49
Hallmark clinical manifestations are bloody diarrhea and lower abdominal pain.
Ulcerative Colitis
50
Mainstay treatment for acute ulcerative colitis is _____
corticosteroids
51
Broad spectrum antibiotic Salicylate analogs Treatment for ______
Ulcerative Colitis
52
Immunomodulating agents Azathioprine Mercaptopurine Treatment for ______
Ulcerative Colitis
53
Intravenous followed by oral cyclosporine for refractory Infliximab (Remicade) for refractory for treatment of ______
Ulcerative Colitis
54
Also called regional enteritis or granulomatous colitis
Crohn Disease
55
Affects proximal portion of the colon or terminal ileum | Chronic inflammation of all layers of intestinal wall resulting from blockage and inflammation of lymphatic vessels
Crohn Disease
56
Suggestive findings are ulcerations, strictures, fibrosis, and fistulas
Crohn Disease
57
Clinical manifestations Intermittent bouts of fever, diarrhea, if bloody, not as severe as ulcerative colitis; constant, chronic RLQ pain, may have RLQ mass, tenderness
Crohn Disease
58
Alleviating and reducing inflammation Smoking cessation Drugs similar to ulcerative colitis Treatment for _______
Crohn Disease
59
No cure for ______
Crohn Disease
60
Prednisone and sulfasalazine Antibiotics: metronidazole Treatment for _______
Crohn Disease
61
Azathioprine, 6-mercaptopurine, methotrexate, and biological therapies (refractory) Antitumor necrosis factor agents infliximab, adalimumab, and certolizumab (refractory) Treatment for _______
Crohn Disease
62
Acute inflammation and necrosis of large intestine
Antibiotic-Associated Colitis (Pseudomembranous Enterocolitis)
63
Caused by Clostridium difficile (exposure to antibiotics) | Mediated by bacterial toxins
Antibiotic-Associated Colitis (Pseudomembranous Enterocolitis)
64
Clinical manifestations | Diarrhea (often bloody), abdominal pain, fever, leukocytosis, sepsis, colonic perforation (rare)
Antibiotic-Associated Colitis (Pseudomembranous Enterocolitis)
65
Stop current antibiotic (if possible). Treat ischemia. Treat contributing conditions. Treatment for ________
Antibiotic-Associated Colitis (Pseudomembranous Enterocolitis)
66
Oral antibiotics: metronidazole or vancomycin | Treatment for______
Antibiotic-Associated Colitis (Pseudomembranous Enterocolitis)
67
Recurrence common Rare: fecal transplant (transfer of fecal material from another healthy person to the source patient via enema or gastric tube) or colectomy
Antibiotic-Associated Colitis (Pseudomembranous Enterocolitis)
68
Which information is correct regarding pseudomembranous colitis? Pseudomembranous colitis: develops because of overgrowth of Clostridium difficile. does not recur following treatment. is a major cause of diarrhea in premature infants. may also be called regional enteritis.
develops because of overgrowth of Clostridium difficile.
69
Inflammation of the vermiform appendix | Obstruction by fecalith
Appendicitis
70
Clinical manifestations Periumbilical pain, RLQ pain (“McBurney’s point”) (classic, but may be anywhere), nausea, vomiting, fever, diarrhea, RLQ tenderness, systemic signs of inflammation
Appendicitis
71
Immediate surgical removal | Antibiotics with fluid/electrolyte replacement
Appendicitis
72
Untreated _______may result in rupture of the appendix and subsequent peritonitis.
Appendicitis
73
Localized abscesses may be managed with tube drainage and antibiotics.
Appendicitis
74
Presence of diverticula (herniations) in the colon: diverticulosis
Diverticular Disease
75
Results from low intake of dietary fiber | Results in high intraluminal pressure
Diverticular Disease
76
Antibiotics, surgery for abscess | Treatment for _______
Diverticular Disease
77
______—asymptomatic | _______ (inflamed diverticuli)—fever, acute lower abdominal pain, leukocytosis
Diverticulosis; Diverticulitis