EO 007 - GI/GU Flashcards
(139 cards)
What is nausea?
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Unpleasant sensation of immediate need to vomit.
Slide 11*
How does nausea/vomiting present?
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- Hypersalivation
- Repetitive swallowing
- Tachycardia
Slide 11*
What CNS component is involved with nausea and vomiting?
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Vomiting center in medulla.
Slide 12
What pathways are involved with triggering the vomiting center?
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- Peripheral
- Vestibular
- Chemoreceptor Trigger Zone
- Cortex
Slide 12
What management options exist for nausea?
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- Antiemetics
- Hygeine
- Tx of underlying condition
Slide 13
What is vomiting?
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Forceful expulsion of gastric contents.
Slide 14
What are some associated symptoms with vomiting?
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- Pain
- Fever
- Diarrhea
- Weight loss
- CNS
Slide 15
What are some disorders that can cause vomiting?
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- Esophageal disorder
- Small bowel obstruction
- Gastric outlet obstruction
- Large bowl obstruction
- Upper GI bleed
Slide 16
What are management options for vomiting?
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- Tx of underlying condition
- Antiemetics
- BRATS diet
- Hydration
Slide 18
What is diarrhea?
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Sudden onset of increased water content in stool
Slide 19*
Whats the difference between acute and chronic diarrhea?
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Acute: >3 BM / day for less than 3 weeks
Chronic: >3 BM / day for more than 3 weeks
Slide 19*
What are red flags of diarrhea?
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- Blood / abnormal mucus
- Fever
- Immunocompromised / elderly
- Persistent
- Pre-existing medical condition
- Antibiotic use
- Severe / worsening
Slide 21*
What are the 4 basic mechanisms of diarrhea?
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- Increased intestinal secretion
- Decreased intestinal absorption
- Increased osmotic load
- Abnormal intestinal motility
Slide 22*
What are the typical causes of diarrhea?
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- Viral
- Bacterial
- Drug
- Parasite
- Fungal
- Organophosphate poisoning
- Traveller’s diarrhea.
Slide 24
What causes Traveller’s diarrhea?
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Consumption of contaminated food and drink.
Slide 27
What is constipation?
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Infrequent or unsatisfactory defecation, fewer than 3 times per week
Slide 30
What are the 3 classes of constipation?
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- Normal Transit
- Dyssynergic Defecation
- Slow Transit
Slide 33
What are reds flags of constipation?
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- Lasting >2 weeks
- No BM > 7 days with laxative
- Chronic medical conditions
- Blood / mucus
- Fever
- Signs of anemia
- Severe pain
- Recent abdo surgery
- Moderate to extreme thirst
- Unexplained weight loss
- Fx of colon cancer
- Abnormal / excessive vomiting
Slide 35
What are management options for constipation?
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- Lifestyle changes
- Fiber / laxatives
- MO / PA
- MELs
Slide 37
What is a hemorrhoid?
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Internal or external hemorrhoidal plexus becoming engorged, prolapsed, or thrombosed.
Slide 39
What is the clinical presentation or unthrombosed external hemorrhoids?
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Painless with traces of blood on surface of stool or toilet paper.
Slide 41
What is the clinical presentation of thrombosed external hemorrhoids?
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Painful/burning sensation, severe at time of defectation.
Slide 42
What is the clinical presentation of internal hemorrhoids?
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Typically painless, possibly palpable on digital exam (MO only)
Slide 43
List and describe the grades of internal hemorrhoids?
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Grade 1 - Luminal protrusion above dentate line, not prolapsed.
Grade 2 - Prolapsed with spontaneous reduction
Grade 3 - Prolapse requiring manual reduction
Grade 4 - Prolapse unable to be reduced, can result in edema and strangulation
Slide 44 - 47