GI Flashcards
acute cholecystitis sx
fat female fertile forty, hypoactive bowel sounds
RUQ/epigastric pain, F, leukocytosis, N/V
+ Murphys sign
+ boas sign
acute cholecystitis test
initial: RUQ US TOC
gold: HIDA scan
leukocytosis w/ left shift
acute cholecystitis tx
admit and supportive
IV ceftriaxone + metronidazole
cholecystectomy
chronic cholecystitis etiology
recurrent acute cholecystitis
chronic cholecystitis tx
emergent cholecystectomy
emphysematous cholecystitis
form of acute cholangitis assoc w/ DM, vascular compromise, immunosuppression
F, RUQ, N/V, crepitus abd wall
emergent surgery and parenteral zosyn
cholangitis what is
bacterial infx of biliary tract secondary to obstruction
cholangitis MCC
choledocholithiasis (E. coli)
cholangitis sx
charcots triad (F, RUQ, jaundice)
Reynolds pentad (Charcots + septic shock _ AMS)
cholangitis labs
initial: US
cholangiography gold (ERCP)
cholangitis tx
emergency tx
IV (amp-sul)
catheter drainage/ ERCP
cholangitis complications
hepatic abscess: most serious, high M&M rate
cholelithiasis patho
gallstones present within bladder
cholelithiasis sx
fat, forty, female, fertile, fair, estrogen, OCP
asx, biliary colic, RUQ
pain after meal or at night
boas sign
cholelithiasis test
abd US TOC
cholelithiasis tx
asx: no tx, supportive
recurrent: cholecystectomy
choledocholithiasis location
gallstone in CBD
choledocholithiasis sx
asx for years
RUQ/epigastric pain, jaundice
choledocholithiasis test
elevated total/ direct bill
CIT: RUQ US
gold: ERCP for Dx and tx
choledocholithiasis tx
ERCP w/ spincterotomy and stone extraction w/ stent
complication of CBD stones
cholangitis
obstructive jaundice
acute pancreatitis
biliary colic
biliary cirrhosis
primary biliary cholangitis patho
autoimmune T cell mediated attack on bile ducts
progressive destruction of intrahepatic ducts
primary biliary cholangitis sx
fatigue, pruritus, jaundice, RUQ, WL
xanthomas, xanthalasma, hyperpigmentation
primary biliary cholangitis marker
+ AMA (antimitochondrial ab)
primary biliary cholangitis tx
1st line: ursodiol
pruritus: chilestyramine
advanced liver failure: liver transplant
primary biliary cholangitis complications
malabsorption
liver cirrhosis
portan HTN
osteoporosis
primary sclerosing cholangitis patho
progressive chronic inflammation of both intra and extra hepatic ducts
primary biliary cholangitis sx
pruritus, jaundice, fatigue
late: hepatomegaly, portal HTN, liver failure
itchy hands
primary biliary cholangitis association
male w/ hx of UC
HLA association
primary biliary cholangitis test
inc ALP w/ inc GGT
MRCP or ERCP
liver bx: onion skin scarring and fibrosis of bile ducts
gold: ERCP
primary biliary cholangitis marker
+ pANCA
primary biliary cholangitis tx
supplementation of fat soluble vitamins
tacrolimus, ursodiol
pruritus: cholestyramine
ERCP
liver transplant: only curative option
MC site of abscess/ fistula
posterior rectal wall
anal fissure MC location
posterior midline
anal fissure test
clinical
DRE/anoscopy never performed
anal fissure tx
1st line: stool softener, topical lido
2nd line: topical nitroglycerin or CCB (nifedipine)
alternative: botox, surgery
diverticulitis MC location
sigmoid colon
MCC lower GI bleed
diverticulitis
diverticulosis sx
painless rectal bleeding
diverticulosis test
colonoscopy gold standard
diverticulosis tx
high fiber foot
surgery
diverticulitis MC site
LLQ
diverticulitis sx
F, LLQ, leukocytosis
no bleeding
constipation > diarrhea
distension
diverticulitis test
CT w/ oral and IV contrast
diverticulitis test CI
barium enema
colonoscopy
can perforate
diverticulitis tx
cipro or bactrim + metronidazole
NPO, IVF
fecal impaction tx
initial; digital disimpaction and evacuation (warm water enema, mineral oil)
NG tube
abd massage
Hirschsprung disease association
downs syndrome
Hirschsprung disease sx
no passed meconium w/in 48h of birth
failed neural crest cell migration
poor feeding, abd dissension
biliary vomiting
Hirschsprung disease test
BIT: anorectal manometry (inc pressure)
rectal exam: explosion of gas and stool (squirt sign)
xray: complete bowel obstruction
bx definitive
Hirschsprung disease tx
surgery (resection of aganglionic segment followed by anastomosis of normal bowel to anus)
external hemorrhoid
distal to dentate line (sensate area)
internal hemorrhoid
above dentate line (insensate area)
hemorrhoids tx
1st: high fiber diet, stool softeners, sitz bath, topical analgesics, steroids
2nd line: rubber band ligation (internal), elliptical excision (thrombosed/ clotted)
3rd line: hemorrhoidectomy
crohns patho
inflammatory anywhere, thru entire length of intestinal wall (transmural)
crohns smoking
harmful
crohns MC area
terminal ileum
crohns association
HLAB27
crohns sx
RLQ, N/V/D (no gross blood), F, B12 deficiency
crohns test
endoscopy w/ bx: cobblestone appearance, skip lesions
upper GI series TOC
inc ESR/CRP
string sign
crohns marker
+ ASCA
crohns tx
1st line maintenance: mesalamine
2nd line: metronidazole
flare: systemic steroids
replace folic acid
can’t be cured
ulcerative colitis smoking
protective
ulcerative colitis patho
inflammation/ulcers in colon/rectal mucosa
continuous inflammation
ulcerative colitis sx
abd pain, LLQ, diarrhea
gross blood, tenesmus
ulcerative colitis test
sigmoidoscopy/ colonoscopy TOC, definitive
stopepipe sign (dec haustral markings)
ulcerative colitis marker
+ PANCA
ulcerative colitis tx
total colectomy; curative
acute flare: systemic steroids + mesalamine enema
maintenance: mesalamine + sulfasalazine
ulcerative colitis complication
anemia, hemorrhage, electrolyte disturbance,
strictures, toxic megacolon, inc colon cancer risk
IBS association
MDD
fibromyalgia
IBS rome criteria
abd pain >3m w/ 2+ (improvement on defecation, change in frequency)
IBS alarm signs
onset after 50yo
rectal bleeding, melena
nocturnal diarrhea, progressive abd pain,
weight loss, lab abnormalities
Fhx
LBO MCC
adhesions
LBO sx
abd. pain, distension
high pitch BS
LBO test
abd xray: distended proximal colon, no gas in rectum, air fluid levels
LBO tx
admit
NG, NPO, IV fluids, rectal tube
surgery
rectal polyps MC area
rectosigmoid
rectal polyps MC sx
rectal bleeding
rectal polyps tx
removal
adematous polyps high risk cancer
villous
adematous polyps low risk cancer
tubular
rectal polyps MC type
hyperplastic
usually no tx needed, commonly removed
juvenile polyps (rectal)
child under 10
should be removed
polyps assoc w/ UC
inflammatory polyps/ pseudopolyps
toxic megacolon etiology
IBD
pseudomembranous colitis
C. diff colitis
toxic megacolon sx
F, tachycardia, leukocytosis
bloody diarrhea, vomiting
sx of shock (AMS, hypoTN)
toxic megacolon test
abd XR: dilation >6cm, loss of haustral markings
toxic megacolon tx
ICU, NG tube, NPO, IVF, electrolytes
CS, BS abx
no improvement after 24h = colectomy
bowel decompression
toxic megacolon complications
perforation
blood loss
septic shock
esophagitis MCC
GERD
infectious esophagitis MCC
candida (HIV/ inhaled steroids)
2nd MCC: HSV (immunocomp, organ transplant)
pill esophagitis med causes
alendronate
doxy
NSAIDS/ASA
eosinophilic esophagitis
elevated serum IgE
stacked circular ring formation
Hx allergies, atopic dermatitis, asthma
pill esophagitis test
small well defined ulcers of varying depths
esophagitis sx
odynophagia hallmark, dysphasia
retrosternal CP, cough, reflux
esophagitis test
endoscopy w/ bx
CMV esophagitis test
single large shallow and linear ulcer
candida esophagitis test
white well circumscribed lesions and creaming longitudinal plagues
HSV esophagitis test
white lesions w/ central umbilical clearing “punched out” ulcers
esophagitis tx
reflux: PPI
pill induced: d/c med or switch to liquid. take pills w/ water and remain upright 30m
eosinophilic: PPI, topical glucocorticoid, food allergy testing
pill induced esophagitis tx
d/c med or switch to liquid. take pills w/ water and remain upright 30m
eosinophilic esophagitis tx
PPI, topical glucocorticoid, food allergy testing
candida esophagitis tx
fluconazole
HSV esophagitis tx
acyclovir
self limiting
CMV esophagitis tx
gancyclovir/ fosacarnet
GERD patho
relaxation of LES
GERD test
endoscopy w/ bx TOC
24h pH monitoring gold
GERD tx
H2, PPI
GERD complication
erosive esophagitis, gingivitis, laryngitis.
stricture, esophageal ulcer, pharyngitis
barrett esophagus, pitting of dental enamel
mallory weiss tear tx
supportive, PPI
active bleeding: surgery (EGD w/ epi, fibrin sealant, electrocoagulation, ligation)
boerhaave syndrome patho
transmural rupture of distal esophagus
boerhaave syndrome sx
severe retrosternal CP
crepitus and crunching: hammans sign
boerhaave syndrome test
initial: CXR (widened mediastinum, pleural effusion, emphysema)
confirm: CT
contrast esophogram definitive
boerhaave syndrome tx
NPO, IV abx, IV PPI
surgical repair
achalasia patho
failure of LES to relax
increased LES tone
loss of auerbachs plexus
achalasia worldwide etiology
chagas disease
achalasia MC etiology
idiopathic
2nd MCC: adenocarcinoma
achalasia sx
progressive dysphasia (solids and liquids)
episodic regurgitation
achalasia test
BIT: barium swallow (bird beak, tapered)
gold: esophageal manometry
achalasia tx
no cure
dicyclomine
nitroglycerin
CCB (nifedipine)
botox inj to LES
pneumatic balloon most effective
nutcracker esophagus
excessive contractions during peristalsis
manometry (inc pressure during peristalsis)
CCB, nitrates, botox, sildenafil
diffuse esophageal spasm sx
CP radiates to neck
dysphagia
globus
diffuse esophageal spasm test
barium swallow (corkscrew during spasm)
EGD
manometry
diffuse esophageal spasm tx
nitrates, CCB, TCA
PPI
esophagomyotomy
Zenker diverticulum patho
outpouching at pharyngeal esophageal junction
near Killian triangle, posterior hypopharynx
MC esophageal diverticula
Zenker diverticulum
Zenker diverticulum sx
foul odor (halitosis)
dysphagia, choking
regurgitation of undigested food and liquid hours after eating
Zenker diverticulum test
best: barium swallow
Zenker diverticulum tx
surgery (cricopharyngeal myotomy)
Plummer Vinson syndrome patho
upper esophageal weblike tissue d/t severe iron def anemia. MC in postmenopausal women
Plummer Vinson syndrome sx
dysphagia, angular chelitis
iron deficiency anemia
koilonychia (spoon shaped nails)
atrophic glossitis
Plummer Vinson syndrome test
EGD
CBC: iron deficiency anemia
Plummer Vinson syndrome tx
esophageal balloon dilation + PPI
iron supplementation
Schatzki ring patho
distal esophageal web in lower esophagus @ squamocolumnar junction
from ingestion of alkali acids, bleach, detergent
Schatzki ring sx
intermittent solid food dysphagia and food impaction
Schatzki ring test
barium swallow TOC
Schatzki ring tx
esophageal balloon dilation + PPI
esophageal varices MCC
cirrhosis d/t portal HTN
esophageal varices sx
sudden bright red hematemesis
esophageal varices test
EGD: red whale markings, cherry red spots (high risk of bleed)
esophageal varices tx
acute: stabilize, banding, IV octreotide (TOC)
chronic: BB, ligation
abx prophylaxis: FQ/ ceftriaxone
celiac dz patho
a-gliadin antigen reaction causing abnormal mucosa
celiac dz sx
diarrhea/ steatorrhea, weight loss, bloating, anemia
easy fx, easy bleeding
dermatitis herpetiformic: pruritic rash on extensor surfaces
celiac dz test
definitive: small bowel bx (crypt hyperplasia)
IgG anti-tissue transflutaminase
IgA anti endomysial antibody
celiac dz tx
gluten free diet
iron, Ca, VitD, folate supplement
celiac dz risk of
intestinal lymphoma
lactose intolerance test
hydrogen breath test
nut allergy test
+ IgE antibody test
gastritis types
A: body
B: antrum
chronic gastritis MCC
H. pylori
acute gastritis MCC
NSAIDS/ASA
H. pylori
gastritis test
H. pylori breath test
EGD w/ bx MAT and gold standard
gastritis tx
H. pylori: clarithromycin, amoxicillin, PPI
peptic ulcer disease MCC
H. pylori
gastric ulcer sx
worse w/ food, weight loss
more likely to become malignant
older pts, type A blood
duodenal ulcer sx
relieved by eating, weight gain
younger, smoking
type O blood
MC peptic ulcer
duodenal ulcer
peptic ulcer disease test
initial: urea breath test/ fecal antigen test/ serology (if didn’t take PPI for 2 weeks)
MAT: EGD w/ bx (r/o cancer)
peptic ulcer disease tx
DC meds
PPI, sucralfate, nisoprostol (only NSAID ulcers)
H. pylori tx
peptic ulcer disease complications
MC bleeding
ruptured peptic ulcer –> IV abx and PPT before surgery
pyloric stenosis sx
2wk-2mo old
projectile non bilious vomiting after feeding followed by desire to feed
palpable olive like mass RUQ
pyloric stenosis test
initial: abd US (mushroom/ target lesion/ string sign)
hypokalemia, hypochloremic, metabolic alkalosis
pyloric stenosis tx
1st: hydrate/ electrolytes, metabolic abnormalities
surgery: pyloromyotomy
pyloric stenosis complication
apnea
duodenal perforation
post op N/V
duodenal atresia association
Down syndrome
duodenal atresia sx
bilious vomiting in first 2 days of life
abd distension
duodenal atresia test
US: polyhydrominos (inability to swallow and remove amniotic fluid)
xray: double bubble sign
duodenal atresia tx
D/C enteral feeds
NG decompression
surgery
Zollinger Ellison syndrome patho
inc gastrin, stim of parietal cells –> PUD
Zollinger Ellison syndrome MC location
duodenum
Zollinger Ellison syndrome sx
abd pain, chronic diarrhea/steatorrhea
heartburn, suspected in pts w/ tx resistant PUD
Zollinger Ellison syndrome test
initial: EGD
confirm: inc serum gastrin concentration (gasting)
secretin stimulation test +
Zollinger Ellison syndrome tx
PPI or octrotide
surgery: exploratory lap and resection
metastatic: chemo
Zollinger Ellison syndrome MC mets
liver and abd lymphnodes
gastroporesis MCC
DM
post surgical
gastroporesis test
initial: upper endoscopy
confirm: scintigraphic gastric emptying study
gastroporesis tx
prokinetic therapy: metoclopramide 1st line
antiemetics
refractory: surgery, TCA
hepatitis A sx
MC in US and children. recent travel
jaundice, spiking fever, clay color stool, dark urine
RUQ pain, tender enlarged liver, splenomegaly
cervical lymphadenopathy
hepatitis A test
+ anti HAV IgM= acute infx
+ anti HAV iGM= prior infx or immunization
hepatitis A tx
recover in 1-2mo
routine vaccination of all children recommended
hepatitis A vaccine
at 12mo
hepatitis B RF
body fluids, unprotected sex
IVDU, vertical (mother)
hepatitis B sx
N/V jaundice, hepatomegaly
no fever typically
splenomegaly, adenopathy
hepatitis B vaccination
universal infant vaccination at birth
2mo, 6mo
hepatitis B immunization CI
bakers yeast allergy
hepatitis C transmission
blood borne, IVDU
sexual intercourse
perianal
hepatitis C sx
anorexia, jaundice, hepatomegaly
splenomegaly, adenopathy
hepatitis C test for
hepatocellular carcinoma via AFP and US
hepatitis D increased risk of
hepatocellular carcinoma
hepatitis E transmission
fecal oral
travel
hepatitis E sx
jaundice, fever, dark urine, clay colored stools
hepatomegaly, splenomegaly, cervical lymphadenopathy
RUQ pain
hepatitis E tx
self limiting
recombinant genotype 1 vaccine in endemic areas
hepatitis labs
inc LFT , bilirubin, PT, and globulins
cirrhosis causes
alcohol abuse
hepatitis B/C
NASH
hemochromatosis
cirrhosis sx
jaundice, hepatic encephalopathy, pruritus,
ascites, varices, gynecomastia, palmar erythema
spider angioma, caput medusa
cirrhosis test
initial: abd US
gold: liver bx
inc LFT, inc PT/INR
cirrhosis tx
tx underlying
liver transplant
lactulose, rifaximin, neomycin
cirrhosis screen for
hepatocellular carcinoma w/ Abd US Q6mo
AFP
budd chiari
hepatic vein obstruction
ascites, hepatomegaly, RUQ, abd pain
US TOC
most life threatening complication of portal HTN
bleeding
portal HTN tx
TIPS
BB
TIPS #1 complication
encephalopathy
primary biliary cirrhosis marker
anti mitochondrial ab
primary biliary cirrhosis tx
ursodeoxycholic acid
MC complication of cirrhosis
ascites
ascites tx
spironolactone
paracentesis
TIPS or shunt
1st line tx hepatic encephalopathy
lactulose
spontaneous bacterial peritonitis MCC
E. coli
spontaneous bacterial peritonitis patho
ascites fluid infection
spontaneous bacterial peritonitis sx
abd pain, F, chills, vomiting, rebound tenderness
AMS, ascites
spontaneous bacterial peritonitis test
paracentesis
gram stain w/ culture
WBC >500, PMN >250
spontaneous bacterial peritonitis tx
BS abx (3rd gen cef)
repeat paracentesis in 2-3d
direct inguinal hernia
defect of transversals fascia
Hesselbachs triangle
medial to inferior epigastric vessels
Hesselbachs triangle
rectus sheath edge medially
inferior epigastric vessel laterally
inguinal ligament inferiorly
indirect inguinal hernia
deep inguinal ring/ process vaginalis
descends in scrotum/groin
lateral to inferior epigastric vessels
MC child diarrhea
rotavirus
travelers diarrhea tx
cipro
azithromycin
prophylaxis: FQ
amebiasis tx
iodoquinol
flagyl for liver abscess
HUS MCC
shiga toxin
E. coli 0157:H7
HUS sx
preceding bloody diarrhea, fatigue, pallor, bruising
petechiae, oliguria
HUS test
schistocytes, inc bilirubin
thrombocytopenia
AKI (inc BUN, inc Cr)
HUS tx
fluid and electrolyte
blood transfusion
dialysis
MC type of bariatric surgery
sleeve gastrectomy
bariatric surgery gold standard
gastric bypass
bariatric surgery criteria
BMI >40
no success with diet/lifestyle changes
bariatric surgery sx
N/V cramps, flushing, diaphoresis, palpitations
soon after eating meal high in fats/carbs
bariatric surgery tx
diet mods
post surgical consideration: psych eval
correct vitamin deficiencies
MC complication bariatric surgery
dehydration
phelynketonuria patho
excessive phenylalanine due to failure to properly metabolize
deficiency of phenylanine hydroxylase (converts phenylalanine to tyrosine)
phelynketonuria sx
light complexion, musty/mousey odor, mental retardation
inc DTR, eczema
phelynketonuria test
newborn screen exam
inc PKU, dec tyrosine
24wk gestation
phelynketonuria tx
tyrosine
avoid high proteins/ phenylalanine
esophageal cancer worldwide MC type
SCC
esophageal cancer MC type US
adenocarcinoma
esophageal cancer SCC location and MCC
upper/mid esophagus
chronic alcohol/tobacco use
esophageal cancer adenocarcinoma location and MCC
distal 1/3 esophagus/ GE junction
GERD and barretts esophagus
esophageal cancer sx
dysphagia to solids., WL, hematemesis
+/- virchows triad
hoarse voice
esophageal cancer test
initial: barium swallow (apple core lesion)
definitive: endoscopy w/ bx
esophageal cancer tx
esophagectomy
prognosis poor
esophageal cancer MC mets
liver, lungs, bones
gastric cancer MC type
adenocarcinoma
gastric cancer sx
abd pain and WL
melena
virchow (supraclavicular) node
Sister Mary Joseph (umbilical lymph nodes)
gastric cancer test
endoscopy w/ bx MAT: leather bottle
gastric cancer tx
surgery
krukenburg tumor
ovarian mets from gastric cancer
bloomers shelf
palpable nodule in rectal exam
gastric cancer
Irish sign
left axillary lymph node
gastric cancer
colorectal cancer MC type
adenocarcinoma
colorectal cancer MC site of distant spread for colon
liver
colorectal cancer sx
iron deficiency anemia
abd pain, hematochezia, WL, change in bowel habits
colorectal cancer right sided tumor sx
blood, iron deficiency anemia
melena, change in BM uncommon
RLQ mass
colorectal cancer left sided tumor sx
obstruction and change in BM common
constipation/diarrhea
pencil stools
hematochezia
colorectal cancer test
colonoscopy most sensitive and specific
+FOBT
XR: apple core lesion
CBC: iron deficiency anemia
inc CEA
CT for staging
colorectal cancer screening
colonoscopy @ 50
Q10y, 5y if high risk
high risk: screen at 40yo or 10y before relatives dx
>85yo does not need colonoscopy
colorectal cancer tx
surgical management only curable tx
CEA level before surgery. monitor CEA w/ tx (Q 3-6mo)
MC site of spread for rectum
lung
hepatocellular carcinoma MCC
viral hepatitis (B and C)
hepatocellular carcinoma MC type
nonfibrolamellar: assoc w/ hepatitis B and C, cirrhosis. unresectable
fibrolamellar hepatocellular carcinoma
most often resectable
hepatocellular carcinoma RF
cirrhosis
hemochromatosis
Wilsons dz
smoking, DMT2
hepatocellular carcinoma sx
abd pain, hepatomegaly, WL, anorexia,
fatigue, portal HTN, ascites,
jaundice, splenomegaly
hepatocellular carcinoma test
initial: abd CT w/ triple phase scanning
definitive: liver bx
US: monitor high risk pts
elevation of AFP
hepatocellular carcinoma tx
surgical resection
transplant
chemo/rad
cholangiocarcinoma patho
tumor of intra- extra hepatic bile ducts
cholangiocarcinoma association
gallstones
cholecystoenteric fistula
porcelain gallbladder
porcelain gallbladder patho
intramural calcification of gallbladder wall
cholangiocarcinoma sx
nonspecific jaundice, colic, WL, anorexia,
RUQ mass, palpable gallbladder
obstructive jaundice, dark urine, clay colored stools, prurutis
cholangiocarcinoma test
cholangiography stent placement
cholangiocarcinoma tx
difficult to resect
prognosis bad
pancreatic cancer MC location and type
ductal adenocarcinoma of the head
pancreatic cancer sx
vague abd pain rad to back
painless obstructive jaundice
dark urine, pale stools
WL, Courvoisier sign (palpable gallbladder)
new onset DM even though pt is thin
pancreatic cancer test
ERCP most sensitive
CT TOC
elevated bili
pancreatic cancer tumor markers
CA 19-9
CEA
pancreatic cancer tx
resectable: Whipple
unresectable: PTC/ ERCP w/ stent
vitamin A deficiency alternative name
retinol
leading cause of preventable blindness in children
vitamin A deficiency
vitamin A deficiency sx
xerophthalmia
night blindness
bitot spots
immune defects
vitamin A excess sx
teratogenic
alopecia
hepatotoxicity
vitamin A sources
green leafy veggies
carrots, sweet potato, liver,
kidney, milk, egg yolk
vitamin B2 deficiency different name
rivaflavin
vitamin B2 deficiency sx
oral ocular genital syndrome
magenta tongue, angular chelitis
photophobia, corneal lesions, scrotal dermatitis
korkoffs dementia sx
memory loss
confabulation
irreversible
B1 deficiency other name
thiamine
B1 deficiency etiology
chronic alcoholism
dry beriberi sx
peripheral neuropathy
bilateral stocking glove distribution
muscle wasting
wernicke-korsakoff syndrome sx
wernicke encephalopathy + Korsakoff psychosis
confusion, ataxia, nystagmus
wet beriberi sx
cardiovascular
vasodilation, tachycardia, wide pulse pressure, sweating, warm skin, lactic acidosis. heart failure
wernicke encephalopathy sx
encephalopathy
ocular dysfunction (lateral rectus palsy)
gait ataxia, dec DTR
wernicke encephalopathy tx
IV thiamine then glucose infusion
vitamin B6 deficiency sx
peripheral neuropathy
stomatitis
glossitis
flaky skin, anemia
vitamin B6 deficiency patho
deficiency in pyridoxine from isoniazid
ETOH
niacin deficiency sx
pellagra (raw skin)
four D: diarrhea, dementia, dermatitis, death if not tx
niacin deficiency diet
meat, fish, liver, white grains, green leafy veggies
vitamin C deficiency sx
3 H: hyperkeratitis, hemorrhage, hematologic
bleeding gums, pseudo paralysis, petechial hemorrhages, impaired wound healing, glossitis
vitamin C deficiency tx sources
citrus, spinach, cauliflower, liver, kidney
rickets sx
seizures, tetany,
osteomalacia sx
potbelly, delayed milestones,
Harrison groove
rickets/osteomalacia labs
dec VitD, dec Ca
dec P, inc ALP
acute pancreatitis causes
gallstones
etoh abuse
acute pancreatitis sx
epigastric pain radiating to back
relieved by sitting up or bending forward
F, leukocytosis, hypoTN
acute pancreatitis hemorrhagic sx
Cullen sign
gray turner sign
fox sign
acute pancreatitis test
inc amylase (MC), lipase (specific)
CT TOC
acute pancreatitis tx
fluid resus
pain management
severe: ICU
chronic pancreatitis sx
chronic pain w/ flare ups
epigastric pain rad back, steatorrhea
triad: malabsorption, inc glu, pancreatic calcifications
chronic pancreatitis test
CT initial TOC
ERCP gold
amylase and lipase normal
chronic pancreatitis tx
getoclopramide: gastroporesis
analgesics, NPO
pancreatojejunosomy
pancreatic pseudocyst sx
acute pancreatitis hx
dull abd pain, epigstric abd mass
pancreatic pseudocyst test
CT w/ contrast preferred
fluid analysis
pancreatic pseudocyst tx
resolve w/ supportive care
1st line: NG, PPI, octreotide
2nd line: pseudocyst endoscopic drainage or catheter drainage
3rd line: surgery (necrosis)
acute mesenteric ischemia sx
hx afib, MI, CAD
pain out of proportion
lactic metabolic acidosis
acute mesenteric ischemia test
initial: CTA
mesenteric angiography gold
acute mesenteric ischemia tx
supportive
surgical
arterial; papaverine (vasodilator)
venous: heparin
embolic: thrombolytic or embolectomy
acute mesenteric ischemia avoid
vasopressors
intussusception sx
colicky abd pain, palpable sausage shaped mass, currant jelly stool, RUQ pain
dance sign, vomiting
intussusception test
BIT: US (target sign)
best confirmatory: barium/contrast enema
intussusception tx
stable: IV fluids, NG, reduction via pneumatic enema (air pressure)
surgical if acutely ill or perforation
small bowel obstruction MCC
surgical adhesions
small bowel obstruction sx
colic abd pain, N/V, no passage of gas/feces, dissension, high pitch BS, visible peristalsis
small bowel obstruction test
XR: ladder pattern (proximal dilated loops/ minimal gas)
string of pearls
small bowel obstruction tx
non operative: IV fluids w/ electrolytes, NG, NPO, IV analgesica and abx
surgery if persistent or strangulation
laparotomy w/ lysis of adhesions and resection of necrotic bowel
paralytic ileus etiology
opioids
post op
antidepressants, anticholinergics
hypokalemia
paralytic ileus sx
distension, obstipation, minimal/absent abd pain,
absent/ dec BS
paralytic ileus test
abd XR TOC: uniform distribution of gas
paralytic ileus tx
IVF, NPO, NG
resolves w/ time
surgery only if sx of peritonitis
volvulus sx
newborns
bilious vomiting, abd distension
blood streaked stools, melena
shock
volvulus test
abd XR: double bubble sign
upper GI contrast/ contrast enema needed for dx
malrotation and volvulus test
corkscrew or beaked appearance w/ dilated bowel loops
volvulus tx
surgery
decompression or adds procedure
upper GI bleed location
above ligament of treats
upper GI bleed sx
melena
hematemesis
upper GI bleed tx
TEGD w/ coagulation of bleeding vessel
ligation
lower GI bleed location
below ligament of treitz
lower GI bleed tx
may stop spontaneously
supportive
colonoscopy
gilbert syndrome
jaundice w/ stress, etoh, illness
no tx
Crigar najjar
neonatal jaundice
phototherapy –> week 2, kernicterous
liver transplant definitive tx
if asx, phenobarbital
bilirubin (gilbert, criger, dubin)
gilbert and criger najjar: increase in unconjugated bili
dubin johnson: increase in conjugated bilirubin
Dubin johnson
grossly black liver on bx
no tx
rotors syndrome
mild dubin johnson
conjugated and nonconjugated bili
no black liver
hemochromatosis patho
excessive iron absorption in intestine
autosomal recessive
hemochromatosis sx
fatigue, arthritis, impotence, amenorrhea,
abd pain, arrhythmias
hyperpigmentation (bronze like)
hemochromatosis test
genetic testing
confirm: iron studies and liver bx
hemochromatosis tx
repeated phlebotomies TOC
advanced: liver transplant
Wilsons disease patho
impairment of copper excretion into bile
autosomal recessive
ATP7B mutation
Wilsons disease sx
Kayser Fleischer rings
liver disease, acute hepatitis, cirrhosis
parkinsonian like sx
Wilsons disease test
liver bx (elevated copper concentration)
dec ceruloplasmin
inc urine copper
Wilsons disease tx
chelating agents (d- penicillamine)
zinc
PPI AE
long term: osteoporosis
pneumonia
sucralfate AE
constipation
bismuth AE
harmless black coating of stool
misoprostol AE
diarrhea
zofran AE
HA, constipation
QT prolongation
metoclopramide AE and CI
acute dystonia
CI: parkinsons
esophageal atresia patho
absence or closure of esophagus
MC assoc w/ tracheoesophageal fistula
esophageal atresia sx
excessive oral secretions immediately after birth
esophageal atresia test
inability to pass NG further than 10-15cm
fluoroscopy
esophageal atresia tx
surgical ligation of fistula
anticholinergic toxicity sx
xerostoma, AMS, tachycardia
urinary retention, mania, delirium
erythema, dry skin
TCA AE
dry skin, dry mouth, dilated pupils, dec breath sounds
AMS, arrhythmias, hypoTN