GI Flashcards
Visceral abdominal pain
= comes from the _____
Responds mainly to sensations of ____ and _____ _____ not to cutting or tearing.
- It is the most ____ form of pain and can be described as ___, ___ and ___. It is ___ ___.
- Foregut structures (____, ____, ____, and ____) cause upper abdominal pain.
- Midgut structures (____, ____, and ____) cause periumbilical pain.
- Hindgut structures (____ and ____) cause lower abdominal pain.
- Epigastric: (2)
- Periumbilical: (2)
- Suprapubic: (3)
Visceral pain comes from the abdominal viscera. Responds mainly to sensations of distention and muscular contraction, not to cutting or tearing.
- It is the most common form of pain and can be described as vague, dull and nauseating. It is poorly localized.
- Foregut structures (stomach, duodenum, liver, and pancreas) cause upper abdominal pain.
- Midgut structures (small bowel, proximal colon, and appendix) cause periumbilical pain.
- Hindgut structures (distal colon and GU tract) cause lower abdominal pain.
- Epigastric: indigestion, cholecystitis
- Periumbilical: intestinal obstruction, early appendicitis
- Suprapubic: small or large intestine, urinary tract infection, inflammatory bowel disease
Referred pain:
- Referred pain is pain perceived ____ from its source. This is due to the lack of a _______ in the brain for information _____.
- Common examples include (3)
Referred pain:
- Referred pain is pain perceived distant from its source. This is due to the lack of a dedicated sensory pathways in the brain for information concerning internal organs.
- Common examples include scapular pain due to biliary colic, groin pain due to renal colic, and shoulder pain due to blood or infection irritating the diaphragm
Parietal/ Somatic Pain:
- Parietal or somatic pain comes from the _____. It is characterized as ___ and well ___.
- It is often mediated by (3)
- This may include (2) rather than ____ which started as visceral pain.
- Parietal or somatic pain comes from the parietal peritoneum. It is characterized as sharp and well localized.
- It is often mediated by acute inflammation, ischemia or infectious processes.
- This may include acute appendicitis or acute cholecystitis rather than biliary colic which started as visceral pain.
Psychogenic Pain:
- History may include multiple ____, ____, ____.
- Examine patient by _____ while pt is distracted; can use stethoscope to press down while “auscultating.”
- _____
- History may include multiple body complaints, chronic non-progressive course, somatic symptoms of depression.
- Examine patient by deep palpation while pt is distracted; can use stethoscope to press down while “auscultating.”
- CHRONIC
Peritoneal signs:
- ____ pain worsened by ____ or ___.
- Observe ____ : patients with peritonitis _______; ____ when asked to ____.
- Suspect when irritable infants lie ___, ____, and are ___
- Peritonitis is ____. This may result from any ____ that causes ____.
- Severe pain worsened by movement or cough.
- Observe posture: patients with peritonitis LIE STILL with knees drawn up to the chest; complain when asked to move.
- Suspect when irritable infants lie very still, have flexed hips, and are quiet
- Peritonitis is inflammation of the peritoneal cavity. This may result from any abdominal condition that causes marked inflammation.
Peritonitis causes: (4+)
- Appendicitis, diverticulitis, strangulating intestinal obstruction, pancreatitis, PID, mesenteric ischemia
- Intraperitoneal blood from ruptured aneurysm, trauma, surgery, ectopic pregnancy
- Barium!
- Peritoneo-systemic shunts, drains, dialysis catheters (PD), ascites
Right/ Left Quadrant pain:
GI sources: (7)
- GI Sources
- GERD
- Gastroparesis
- Dysphagia
- PUD
- Gastric Cancer
- Cholecystitis
- Pancreatitis
Right/ Left Quadrant pain:
Non-GI sources: (4)
- Herpes Zoster
- Lower Lobe Pneumonia *
- MI *
- Radiculitis (nerve pain that starts in the spine)*
GERD:
Reflux of ____ into ____ resulting in a ____
Relaxation of the ____, irritants (2), decreased ____, and decreased ____ GERD
- ____ may contribute
Contributing: (3)
Triggers: (5)
Clinical features:
- _____ within __ to __ minutes of eating
- Symptoms worse _____
- Classic presentation is _____
- May also have (9)
- May have chest pain- mimics ___
History:
- __, __, and __ of heartburn
- Ask if aggravated by ___ / ___ by ___
- ___
- ___ use
- Diagnosis can be made by history alone is pt age
Reflux of gastric contents into esophagus resulting in a symptomatic condition
Relaxation of the LES, irritants (gastric acid & digestive enzymes), decreased secondary peristalsis, and decreased resistance to caustic liquids cause GERD
- Hiatus hernia may contribute
Contributing: tobacco, Etoh, exercise
Triggers: SPICY, FRIED, FATTY, CITRUS, CAFFEINE
Clinical features:
- Heartburn within 30 to 60 minutes of eating
- Symptoms worse lying down/ bending over
- Classic presentation is burning substernal pain that radiates upward
- May also have regurgitation, nocturnal aspiration, ulcers, hemorrhage, dental erosions, laryngitis, asthma symptoms, or Barrett’s esophagus
- May have chest pain-mimics cardiac angina: chest pain may be heaviness or pressure that radiates to the neck, jaw or shoulders
History:
- Onset, duration, and progression of heartburn
- Ask if aggravated by meals/ relieved by sitting up or antacids
- Smoker
- NSAID/ ASA use
- Diagnosis can be made by history alone is pt age<45; history of heartburn; no dysphagia, weight loss, or blood loss
Physical:
- Height/Weight
- Abdominal exam: masses, tenderness
- Check for occult blood in stool
- Usually no diagnostic tests indicated unless atypical presentation of concern: dysphagia, weight loss, melena, nocturnal symptoms-refer for endoscopy
GERD non-pharmacologic methods:
- If ___, even ____ may help
- ____ cessation
- Elevate ____
- Eat ___ meals; do not eat ___ hrs before ___
- Reduce ___ that may produce symptoms
- Use ___ prn
- If obese, even 10 lb. weight loss may help
- Smoking cessation
- Elevate head of bed or sleep on wedge
- Eat smaller meals; do not eat 2-3 hrs before bedtime
- Reduce foods that may produce symptoms
- Use antacids prn
GERD pharmacologic methods:
- _____: QD or BID dosing to suppress acids (Pepcid10-40mg)
- _____: (Prilosec 20mg or Omeprazole, Prevacid 15-30mg or Lansoprazole, Nexium 20-40 mg or Esomeprazole) reserved for ____
- __ minutes before ___
Long-term side effects of PPI:
- ____ (aerobic bacteria grow in the stomach with increasing pH and micro-aspiration and lung colonization may occur)
- Possible connection to ____
- ____
- Decrease in ____
- Interference with _____
- Avoid ____ : a lot of cytochrome P450 interactions
- H2 receptor antagonist: QD or BID dosing to suppress acids (Pepcid10-40mg)
- Proton pump inhibitor (Prilosec 20mg or Omeprazole, Prevacid 15-30mg or Lansoprazole, Nexium 20-40 mg or Esomeprazole) reserved for failure of above or erosive esophagitis
- 30 minutes before eating
Long-term side effects of PPI
- PPI associated pneumonia (aerobic bacteria grow in the stomach with increasing pH and micro-aspiration and lung colonization may occur)
- Possible connection to C Diff infection (stomach acid suppresses C Diff)
- Hypomagnesemia
- Decrease in calcium absorption
- Interference with Vit B 12 absorption
- Avoid cimetidine: a lot of cytochrome P450 interactions
GERD eval:
- Re-evaluate pt after ___, if controlled, complete therapy for ___
- After ____, ____ to lowest possible dose that provides relief
- Some pts require ____ maintenance therapy indefinitely: recurrent nature
- If symptoms unresolved in ____ of therapy, refer to a gastroenterologist
- Re-evaluate pt after 2 weeks, if controlled, complete therapy for 8-12 weeks
- After 8-12 weeks, discontinue or lower med to lowest possible dose that provides relief
- Some pts require low-dose maintenance therapy indefinitely: recurrent nature
- If symptoms unresolved in 8-12 weeks of therapy, refer to a gastroenterologist
Barrett’s Esophagus:
- Considered a ____ of __
- ___ condition of the ____ that typically affects ___ over ___
- Presentation is usually ___ or ___
- This is a strong correlation with ___ and ____ of the esophagus
- Premalignant stage: ____ (squamous cells have changed to columnar epithelium)
- Tissue injury is due to _____
- Dose-related: refers to risk of development of adenocarinoma with Barrett’s esophagus is <1% annually, but rises fivefold with the onset of low-grade dysphasia and 10-fold in persons with high-grade dysphasia
- Considered a complication of GERD
- Premalignant condition of the esophagus that typically affects white males over 50 years
- Presentation is usually heartburn or dysphagia
- This is a strong correlation with LT acid exposure and risk of adenocarcinoma of the esophagus
- Premalignant stage: low or high grade dysplasia (squamous cells have changed to columnar epithelium)
- Tissue injury is due to chronic exposure to gastric acid, pepsin, and bile
- Dose-related: refers to risk of development of adenocarinoma with Barrett’s esophagus is <1% annually, but rises fivefold with the onset of low-grade dysphasia and 10-fold in persons with high-grade dysphasia
Gastroparesis:
- Impaired ____ , usually a ____ of ____
- ____ problem as a result of _____ (impacts both ____).
- Affects ____, affecting ____. Also causes ____.
- Symptoms may improve with control of ____.
Diagnostics:
- _____
- _____ (light meal consumption with radioactive contents, measures emptying of stomach (>60% at 2 hours or >10% at 4 hours to diagnose delayed gastric emptying
- ____
Treatment:
- ____
- ____
- ____ in tighter control
- Impaired gastric emptying, usually a complication of uncontrolled DM
- Motility problem as a result of autonomic neuropathy (impacts both sympathetic and parasympathetic fibers).
- Affects food absorption, affecting glycemic control. Also causes nausea and vomiting.
- Symptoms may improve with control of hyperglycemia.
Diagnostics:
- Endoscopy
- Gastric emptying study (light meal consumption with radioactive contents, measures emptying of stomach (>60% at 2 hours or >10% at 4 hours to diagnose delayed gastric emptying
- Radiolabeled CO 2 breath test
Treatment:
- Dietary modifications
- Use of metoclopramide (Reglan)
- DM in tighter control
Dysphagia:
- ____ disorder that involves ___ of one or more stages in the normal sequence of ____
- Dysphagia may be either ___ or ____
- ____ causes are more common with ____ and ____ causes are more likely with ____
- May be ___ , resulting in (6)
Dysphagia History:
- ____
- Swallowing difficulty: (2)
- ___, ___ or ___ (odynophagia)
- ____
- PMH: ____
- *most important is ___ and ___ of symptoms
- relation of symptoms to ____ to liquids and solids
- effects of ___ on swallowing
- response to swallowing a ___ (repeated swallowing and Valsava maneuver can assist in swallowing in motor disorder). Obstruction-swallowing a bolus will cause regurg
Location of discomfort and the presence or absence of associated symptoms:
- intermittent dysphagia: suggests ___
- associated with swallowing: ____
- difficulty swallowing solids associated with _____
- accompanied by diplopia: think ____
- associated with tremor or difficulty initiating movement: _____
- Swallowing disorder that involves dysfunction of one or more stages in the normal sequence of swallowing
- Dysphagia may be either oropharyngeal or esophageal
- Structural causes are more common with esophageal dysphagia and functional causes are more likely with oropharyngeal dysphagia
- May be mild or severe, resulting in malnutrition, dehydration, choking, aspiration, pneumonia and even death
Dysphagia History:
- Onset: Gradual onset, slow progression and chronic course suggest motor disorder; rapid onset and progressive- obstruction
- Swallowing difficulty: liquids (cold), solids
- Choking, reflux or pain (odynophagia)
- Weight loss
- PMH: neuro disease, chronic reflux, esophagitis
- *most important is duration and progression of symptoms
- relation of symptoms to ingestion to liquids and solids
- effects of cold on swallowing
- response to swallowing a bolus (repeated swallowing and Valsava maneuver can assist in swallowing in motor disorder). Obstruction-swallowing a bolus will cause regurg
Location of discomfort and the presence or absence of associated symptoms:
- intermittent dysphagia: suggests lower esophageal.
- associated with swallowing - mucosal inflammation
- difficulty swallowing solids associated with chronic heartburn think stricture
- accompanied by diplopia think myasthenia
- associated with tremor or difficulty initiating movement Parkinson’s disease