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GI review
N/A
67
Health Care
Graduate
11/20/2011

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Term
Perianal Abscess
Definition
Pruritis or pain
Lesion at anal verge
E.coli and Enterococcus common agents
Term
4 Types of Anorectal Abscesses
Definition
1. Perianal
2. Ischiorectal
3. Intrasphincteric
4. Supralevator
Term
Sensation above dentate line
Definition
Distention and inflammation
*No pain
Term
Sensation below dentate line
Definition
Pain, pressure, texture, (gas/solid)
Term
Diverticulitis
Definition
Sxs: LLQ pn, Change of BM, Straining
+/- N/V/D/C bloating and/or flatulance
Labs: +/- Leukocytosis
NL LFTs/Amylase/Lipase
Elevated CRP
Term
Diverticulitis Radiologic Eval
Definition
Confirmed by CT w/ Contrast
Thickened bowel walls with localized inflamm changes
Term
Diverticulitis Tx (outpatient)
Definition
1. Clear liquid diet, advance slowly with decrease in sxs.
2. Broad Spectrum Abx (ie. cipro and flagyl)
Term
Diverticulitis Tx (non-op inpatient)
Definition
*Systemic signs of infection/peritonitis
1. NPO; IV fluid hydration
2. IV Abx (ie. Piperacillin/tazobactam)
3. Pn Control = Morphine
4. Advance to liquid diet as tol.
5. D/C w/ PO Abx
Term
Diverticulitis Tx (operative)
Definition
1. CT guided percutaneous drainage for peridiverticular abscesses >4cm
2. Resection of diseased portion + colostomy.
* >40% will have recurrance
Term
Choledocholithiasis (definition)
Definition
Presence of gallstones in common bile duct
Term
Cholangitis (definition)
Definition
Gallstone obstruction of the biliary or hepatic ducts, causing inflammation and infection
Term
Cholecystitis (4-F's)
Definition
Fat
Female
Fertile
Forty
Term
Cholangitis (etiology)
Definition
Choledocholithiasis is the MC cause
Term
Charcot's Triad (cholangitis)
Definition
1. Jaundice
2. Fever
3. RUQ pn
Term
Cholecystis (Preferred Imaging)
Definition
*US

(CT can be used to assess the severity and complications)
Term
Cholecystitis (Labs)
Definition
*WBC, AST/ALT, and Alk Phos elevated
(amylase/lipase may be elevated if "gallstone pancreatitis")
*RUQ US: thickened GB wall, GB distention
Term
HIDA scan
Definition
Used for Cholecystis
*IV isotope taken up by NL BG, but not in cholecystitis. (100% sensitive, but reserved for "mystery cases")
Term
Murphy's Sign
Definition
1. Palpate RUQ beneath costal Margin
2. Have pt take a deep breath
3. Pt. has inspiratory arrest due to pn
*indicates Cholecystitis
Term
Gallbladder Cancer
Definition
Sxs: pn more diffuse than that of GB dz
Jaundice, anorexia & wt. loss =advanced
Courvoisier's sign
Sister Mary Joseph Nodes
Virchow node
Blumer shelf
CA 19-9 may be elevated
Term
Sister Mary Joseph Nodes
Definition
Palpable nodes bulging into umbilicus
Term
Virchow node
Definition
Left Supraclavicular Adenopathy
Term
Blumer shelf
Definition
Palpable mass on digital rectal exam, indicative of metastatic tumor cells
Term
Courvoisier's Sign
Definition
Palpable Gallbladder
Term
Acute Pancreatitis (Sxs)
Definition
*Steady and boring epigastric/ periumbilical pn that comes on suddenly and lasts >1 day. Pn may radiate to the back, chest, flanks, and lower abdomen.
*Pn more intense in supine position.
N/V/D and anorexia common present
NO FEVER
Term
Acute Pancreatitis (Labs)
Definition
*Amylase (initially rises)
*Lipase (elevated longer)
Both at least 3x the NL range
*Leukocytosis
*Elevated LFTs with amylase/lipase suggest "gallstone pancreatitis"
Term
Acute Pancreatitis (Dx)
Definition
*2 of the 3

1. Typical Abdominal Pn
2. Amylase/Lipase 3x NL
3. Confirmatory Radiological studies
Term
Acute Pancreatitis (Tx mild dz)
Definition
1. NPO; IV fluid hydration
2. Analgesia
3. Cholecystectomy following recovery
*PO intake can be resumed when pt is pn free w/out drugs, no N/V, NL bowel sounds, and is hungry
Term
Chronic Pancreatitis
Definition
* chronic inflammation leading to fibrosis
*MC cause in adults = Alcohol
*MC cause in children = Cystic Fibrosis
*Maldigestion = chronic diarrhea, steatorrhea, wt loss & fatigue
*mild tenderness, inconsistent with severity of reported pn
(+) Secretin stimulation test
Term
Pancreatic CA
*4th leading cause of CA death in men and women
Definition
Gradual onset of non-specific sxs = malaise/N/Anorexia/Fatigue and wt loss
*Mid-epigastric pn +/- radiation to mid/lower back
Courvoisier's sign
Virchow's node, Sister Mary Joseph, hepatomegaly, ascites.
Term
Signs of metastatic disease
Definition
1. Virchow's node
2. Sister mary joseph nodes
3. Blumer Shelf
4. hepatomegaly
Term
Peritonitis
Definition
Caused by infection, trauma, or inflamm of underlying organs or leakage of blood/bile/urine/gastric juice into the abd. cavity
*abd pn, fever, N/V, rebound pn and guarding
Term
Acute Appendicitis (Sxs)
Definition
*10-30yo MC, but can occur at any age!
*Anorexia
Nausea +/- vomiting
+/- low grade fever
Abd. pn = migration from periumbilical to RLQ
Term
Acute Appendicitis (PExam)
Definition
1. McBurney's point
2. Psoas sign
3. Obturator sign
4. Rovsing's sign
5. Rebound tenderness
Term
Acute appendicitis (Labs)
Definition
*WBC elevated 86% of the time. May not be!
CT w/ oral contrast
(may be able to read w/out contrast in obese)
*US for prego or children (decrease exposure to radiation)
Term
Cholecystis (sxs)
Definition
1. Pn 30-60min after meals
2. RUQ pn
3. N/V
4. Fever/toxic appearance
5. Murphy's sign
Term
Perforated Ulcer (sxs)
Definition
*Sudden severe abd pn, usually epigastric, often radiates to back
*Often vomiting
*Marked abd. tenderness, bowel sounds possibly absent
*Tachycardia/hypotension
Term
Perforated Ulcer (Labs)
Definition
* 1 of 2 reasons to get X-rays
1. US shows free air (look to R)
2. CT may be necessary if X-ray fails to show Dx
Term
Perforated Ulcer (Tx)
Definition
1. Vigorous IV fluid resuscitation
2. NG tube w/ suction
3. Broad Spectrum Abx.
4. Emergency Laparotomy
Term
Acute Pancreatitis (3 usual causes)
Definition
1. EtOH
2. Gallstones (choledocholithiasis)
3. Hyperlipidemia
Term
Gallbladder Pancreatitis Tx
Definition
ERCP - Endoscopic Retrograde Cholangio-pancreatography
Term
Bowel Obstruction (Sxs)
Definition
VODKA
V: vomiting
O: Obstipation
D: Distention
K: Krampy A:bdominal pain

Tympany to percussion
Bowel sounds "tinkly" or non-existant
Term
Small Bowel Obstruction (etiology)
Definition
MC 1. Adhesions from prior surgery
2. Incarcerated hernias
CA or polyps possible
Term
Large Bowel Obstruction (etiology)
Definition
MC: Colon CA
*diverticulitis or volvulus possible
Term
Bowel Obstruction (Labs)
Definition
* 1 of 2 reasons for X-ray
X-ray shows air-fluid levels in bowel or distended bowel loops (3/6/9)
Term
Bowel Obstruction (Tx)
Definition
*NG tube to suction for decompression
NPO; IV fluid resuscitation
Admit
Surger if no resolution
Term
Ischemic Bowel (Sxs)
Definition
*Usually seen in elderly and those with severe vascular disease
1. Severe diffuse pn (out of proportion to tenderness on exam)
2. Fever
3. Often N/V
Term
Ischemic Bowel (Labs)
Definition
1. Elevated WBC
2. Acidosis (elevated lactate from anaerobic metabolism)
3. Plain X-ray and CT show Thumbprinting, possible free air if perforated
Term
Ischemic Bowel (Tx)
Definition
1. Aggressive IV fluids
2. IV Abx
3. Immediate surgical consultation to resect infarcted bowel
Term
Ruptured AAA (etiology)
Definition
1. elderly
2. HTN
3. DM
4. Peripheral Vascular Disease
5. >5cm significant risk
Term
AAA (Sxs)
Definition
Acute onset of abd and/or back pn (severe)
Possibly syncope
Hypotensive/tachycardic/frank shock
*pulsatile tender abd. Mass
Term
AAA (Labs)
Definition
*Type and Cross 6 units of PRBC's
CBC, lytes, BUN/Cr, PT/PTT
(CT or US will make dx, but don't wait for tests in unstable pt)
Term
Ruptured AAA (Tx)
Definition
1. ABC's and O2 (monitor)
2. At least 2 large-bore IV's, rapid IV fluid
3. Blood transfusion
4. Immediate Surgical Consult (IMMEDIATE REPAIR!!!)
Term
Ectopic Pregnancy
Definition
*prego test in all women w/ abd pn and of child bearing age
Sxs: Low abd. pn +/- vag bleed
(unstable if ruptured)
Lab: (+) preg test, anemia?, Pelvic US (look for ectopic and where it should be if it's not)
Tx: ABC's, IV fluids/blood
Immediate OB consult for surgery
Term
Ovarian Torsian
Definition
Sxs: Appear in great distress
Severe Abd. pn, possible vomiting
*Lab: Pelvic US makes Dx*
(dopplar flow into ovaries diminished)
Tx: Surgical
Term
Pelvic Inflammatory Disease (PID)
Definition
Sxs: low abd. pn & tenderness, purulent vag discharge, F/N/V
*Cervical motion tenderness*
Labs: STI cultures, CBC
Tx: Abx, admit if toxic
Term
Flat/Upright Plain films
Definition
R/O SBO or free air from ruptured viscus
Term
US
Definition
1. GB dz
2. R/O prego or ovarian/tubal pathology
3. AAA, hydronephrosis/hydroureter
4. Appy in prego or child
Term
IVP (intravenous pyelogram)
Definition
Used to detect renal stones/ureteral obstruction
*Dye injected and accumulates in KUB. Look for dilation of Ureters
Term
If no definitive dx despite thorough workup
Definition
1. Consider admission for monitoring
2. If D/C, instruct pt to be rechecked within 12-24 hours, and return sooner if sxs worsen
Term
Risk factors for GI bleed
Definition
1. NSAIDS, aspirin, Steroids
2. Coumadin/Heparin/Thrombolytics
3. Alcohol
4. Cirrhosis/Esophageal Varices
5. Thrombocytopenia, leukemia, etc
6. Hemophilia, vonWillebrands, etc
Term
Upper GI bleed (causes)
Definition
1. epistaxis/oral lesion
*2. Esophageal Varices (most likely to rebleed)
3. Mallory-Weis tears
4. Esophagitis/gastritis
*5. Gastic/duodenal Ulcers (MC cause of UGI bleed)
Term
Lower GI bleed (causes)
Definition
1. Upper GI bleed
2. Carcinoma
3. Diverticulosis (MC Cause of LGI bleed)
4. Angiodysplasia/Arteriovenous Malformation (AVM)
5. Infectious Diarrhea
6. IBD (esp. UC)
7. Hemmorrhoids/anal fissure
Term
GI bleed vital sign changes
Definition
1. Hypotension
2. Tachycardia
3. Decreased Pulse pressure
4. Tachypnea
5. Orthostatic Hypotension
Term
GI bleed Labs
Definition
* Type and match immediately if severe
1. CBC (don't be assured by NL Hgb)
2. PT/PTT
3. Lytes, BUN/Cr, Glucose
4. LFTs
5. EKG (if underlying CAD suspect)
6. Hemoccult/GUIAC, gastroccult
7. Technecium-labeled RBC scan
Term
Managing an acute GI bleed
Definition
1. high flow O2
2. Intubation if profuse to avoid aspiration
3. Cardiac Monitor
4. Volume replacement via large bore IV lines
a. Begin with crystalloid (NS or LR)
b. Transfuse blood if continued bleed, severe anemia, failure to improve after 2 liters of NS)
c. replace clotting factors prn
Term
NG tube for Acute GI bleed
Definition
1. Helps establish source
2. can check aspirite for blood
3. Monitor ongoing UGI bleed
4. Can lavage clots with saline or tap
Term
Sengstaken-Blakemore tube
"Minnesota Tube"
Definition
Balloon tamponade; can controll significant UGI hemorrhage
* Gastric and esophageal balloons inflated to tampnade source of bleed
(Possibility of rupture)
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