Jaynstein - Abdominal Pain Flashcards
mc GI complaint in primary care
constipation
6 mc GI complaints in primary care
- constipation
- diarrhea
- abd pain
- gastric pain
- nausea
- regurgitation
__% of abdominal concerns do not need GI referral
75%
__% of GI complaints can be managed in primary care
80
almost 50% of GI referrals eventually get diagnosed as __
IBS
mc dx related to acute abdominal pain in primary care
no clinical dx/unknown/functional
causes of acute abdominal pain
appendicitis -> mc
cholecystitis
SBO
gynecological
pancreatitis
renal colic
diverticulitis
perforation
ischemia
peptic ulcer
AAA
ectopic
PID
nephrolithiasis
cancer
goal of abdominal pain management in primary care
determine who needs work up and how extensive that work up should be
3 options for management of abdominal pain in primary care
symptomatic care -> watch and wait
labs/diagnostics
referral
4 GI complaints that can usually be managed in primary care w. minimal work up
diarrhea
constipation
gastroenteritis
food related (celiac, lactose)
chronic abdominal pain lasts > __
6 months
causes of chronic abdominal pain
PUD
esophagitis
IBD
chronic pancreatitis
gastroparesis
IBS
abdominal wall (muscle strain, hernia)
functional
what do you think when you see abdominal pain out of proportion
acute ischemia
mc age for abdominal ischemia
60-70
huge do not miss red flag w. abdominal pain that providers commonly get sued over
AAA
4 indications for emergent care w. abdominal pain complaint
unstable
toxic
extreme pain
potential surgical complaint
ddx w. RUQ pain
cholecystitis and biliary colic
hepatitis
pancreatitis
appendicitis
perforated duodenal ulcer
right lower lobe PNA
MI
hepatic abscess
ddx for diffuse abd pain
pancreatitis
AAA
SBO
early appendicitis
gastroenteritis
mesenteric ischemia
perforated viscous
peritonitiis
sickle cell crisis
ddx for LUQ pain
pancreatitis
gastric ulcer
gastritis
left lower lobe PNA
MI
splenic enlargement/rupture
LLQ pain is mc
diverticulitis
RLQ pain is mc
appendicitis
RUQ pain work up should focus on differentiating what 3 general causes
pulmonary
urinary
hepatobiliary
first step in work up of RUQ pain if UTI is suspected
UA
4 indications for US w. RUQ pain
colic
fever
steatorrhea
(+) murphy’s
gs diagnostic test for eval of RUQ pain
US
RUQ pain + pulmonary sx makes you think (2)
PE
PNA
work up of RUQ pain w. pulmonary sx
- CXR
- Ddimer vs CT
RUQ pain + urinary sx makes you think of (2)
UTI
nephrolithiasis
gs imaging for nephrolithiasis
CT w.o contrast
RUQ w. colic makes you think (2)
hepatobiliary cause
nephrolithiasis
work up of RUQ pain w. colic
- US
- if negative -> consider nephrolithiasis
t/f: most people w. cholecystitis need lap chole
f!
only 300,000 out of 20 million diagnosed
most sensitive PE test for cholecystitis
Murphy’s sign
diagnosis of cholecystitis focuses on differentiating cholecystitis from __
cholelithiasis
labs to order for acute cholecystitis work up
CBC
CMP
when would you order lipase for suspected cholecystitis (2)
if GERD/indigestion issues
if they are toxic appearing
indication for US w. cholecystitis
suspect gallstones
PLUS
abnormal labs
can usually watch and wait if labs are nl
t/f: most patients w. cholelithiasis need cholecystectomy
f!
50% don’t
indications for cholecystectomy w. cholelithiasis
(+) US
PLUS
abnormal labs
ideal window for cholecystectomy in pt. w. cholelithiasis and abnormal labs
w.in 72 hr
gallbladder US evaluates
structure -> wall, stones, etc
HIDA scan of gallbladder evaluates
fxn -> contraction etc
__ is never first line imaging choice for gallbladder work up
HIDA
US is first line
ddx for epigastric pain (9)
PUD
GERD
esophagitis
gastric/esophageal ca
biliary dz
gastritis
pancreatitis
med s.e
cardiopulmonary
2 do not miss vascular causes of epigastric pain
ACS
AAA
generalized term for epigastric discomfort
dyspepsia
common complaints related to dyspepsia (5)
pain
discomfort
burning
nausea
vomiting
acid-related causes of dyspepsia (2)
GERD
PUD
inflammatory causes of dyspepsia (2)
h.pylori
NSAID erosions
3 cancers associated w. dyspepsia
gastric
esophageal
pancreatic
__ and __ are responsible for 40% of dyspepsia
GERD
PUD
2 symptoms that strongly suggest dyspepsia related to GERD
heartburn
regurgitation (almost always GERD)
3 rf for PUD
stress
caffeine
smoking
6 indications of dyspepsia related to GERD
burning
belching
chronic cough
worse w. food/regurgitation
worse when lying down
relief w. OTC meds
__ can aid in the diagnosis of GERD
relief w. TUMS
6 causes of dyspepsia
PUD
GERD
biliary dz
pancreatitis
ca
meds
3 indications of dyspepsia elated to biliary dz
jaundice
dark urine
worse after eating
4 indications of dyspepsia related to pancreatitis
stabbing pain radiating to the back
etoh
prev hx pancreatitis
severe, abrupt pain
indications of dyspepsia related to ca
wt loss
f/c/night sweats
dysphagia
age > 50
prolonged vomiting
smoker
indications for DRE
you have a finger, they have melena
PE clue for PUD
melena
PE clue for GERD
dental erosions
PE clue for pancreatitis
uncontrolled pain
PE clues for biliary dz
jaundice
(+) murphy
5 PE clues for ca
wt loss
(+) FOBT
palpable mass
virchow nodes
acanthosis ingrains
gs imaging for pt w. dyspepsia and alarming sx
endoscopy
5 indications for endoscopy w. dyspepsia
age > 50
dysphagia
wt loss/f/c/night sweats
GI bleed
prolonged vomiting
if a pt has no alarming sx related to dyspepsia, what are your work up/tx options
- endoscopy
- empiric acid suppression
- test for h.pylori and tx if positive
- empiric eradication of h.pylori
- test for h.pylori and perform endoscopy if (+)
endoscopy is gs test to exclude (3)
gastroduodenal ulcers
reflux esophagitis
upper GI cancers
gs test for dyspepsia in general
endoscopy
t/f: once a pt tests positive for h.pylori using a blood test, they will remain positive fo’ life
t!
can only use it for initial dx or if pt tested negative on prior test
advantage of empiric eradication of h.pylori
avoids cost of h.pylori testing and endoscopy
3 disadvantage of empiric eradication of h.pylori
increases abx resistance
increases complications
complicated drug regimen
advantages of h.pylori work up and endoscopy if test if (+)
endoscopy identifies multiple conditions
prior testing minimizes abx resistance
what conditions is endoscopy useful for detecting (4)
gastric ulcers
duodenal ulcers
reflux esophagitis
upper GI cancers
disadvantages of h.pylori testing and endoscopy if (+)
invasive procedure w. risks
unnecessary if h.pylori test is (+)
3 medication options for dyspepsia
empiric abx
ppi
h2 blockers
MOA for both ppi’s and h2 blockers
reduce acid secretion
how long should antisecretory drug trial be
daily for 2-4 weeks
first line antisecretory med for dyspepsia
h2 blockers:
cimetidine (tagamet)
famotidine (pepcid)
2 indications to use ppi for dyspepsia
h2 blocker not working
h.pylori confirmed
major disadvantage of ppi
lots of ddi
PUD occurs in 5-20% of ppl who use long-term ___
NSAIDs
mc cause of gastric and duodenal ulcers
h.pylori
4 red flags with PUD
age > 55
wt loss/anorexia
persistent vomiting
jaundice/anemia
2 complications of PUD
GIB
perforation
which antisecretory drug is most effective for PUD
ppi
triple antibiotic therapy for h.pylori
ppi
clarithromycin
amoxicillin
quadruple antibiotic therapy for h.pylori
tetracycline
omeprazole
metronidazole
bismuth
duodenal ulcers usually heal w.in __ weeks
4
gastric ulcers usually heal w.in __ weeks
8
5 causes of pancreatitis
cholelithiasis
etoh
hypertriglyceridemia
congenital
med s.e
mc cause of pancreatitis
cholelithiasis
most sensitive and specific lab for pancreatitis
lipase
lipase is __ x nl in pancreatitis
3 x
> 540
t/f: lipase trends down as pancreatitis resolves
t!
t/f: leukocytosis is commonly seen w. pancreatitis
t
imaging of choice for pancreatitis
when is it indicated (3)
CT abd/pelvis w. contrast
for first episode
suspect gallstones (US)
2 complications of pancreatitis
necrosis
pseudocysts
when would you order US for pancreatitis
if you suspect gallstones
3 indications for emergent care for pancreatitis pt
unstable
severe pain
intractable vomiting
when can a pancreatitis pt be d.c’ed (3)
vss
tolerating PO
pain controlled
op tx for pancreatitis (2)
CLD
pain control
when can pt expect to see improvement in pancreatitis
3-7 days
what do you think of when you see RLQ pain
appendicitis
3 urinary causes of RLQ pain
UTI
pyelo
nephrolithiasis
4 female GU causes of RLQ pain
ovarian cyst
torsion
TOA
ectopic
2 colon-related causes of RLQ pain
colonitis
IBD
imaging of choice to evaluate RLQ pain
CT w. contrast
imaging of choice if you suspect scary ovary stuff
transvaginal US
CT won’t show the scaries and most ovarian differentials are emergent
describe appendicitis pain
usually starts somewhere else (mc epigastric) and then migrates to RLQ
what pt pop gets a CT 95% of the time if they present w. new onset abdominal pain
> 65 yo
what symptom has 100% sensitivity for appendicitis
pain before vomiting
mc age for appendicitis
10-30 yo
but can occur at any age
management of appendicitis in op setting (2)
NPO
ER
what condition do you think of when you see LLQ
diverticulitis
other causes of LLQ besides diverticulitis
same as RLQ
imaging of choice for eval of LLQ
CT
transvaginal US for females
sx of diverticulitis (4)
LLQ
abd distension
abd tenderness
rectal bleeding
2 complications of diverticulitis
perforation
abscess
indications for imaging w. diverticulitis
first episode
dx unclear
atypical presentation
other dx of similar likelihood
mod-severe sx
can’t tolerate po fluids
peritoneal signs
no improvement 2-3 days after starting abx
management of diverticulitis (3)
start w. CLD diet -> move to high fiber
abx
pain control
abx regimen for diverticulitis
flagyl 500 tid x 7-10 days
PLUS
cipro
alt flagyl plus levaquin or bactrim
when can you expect to see improvement in diverticulitis pt
48-72 hr
mc condition seen by GI
IBD
peak dx age of IBD
20-39
3 diagnostic keys for IBD
bowel alterations
mucous stools
sensation of incomplete emptying
2 diagnostic criteria for IBD
ROME III
Manning
if they meet criteria -> just treat - don’t usually need full work up
red flags w. IBD (6)
stool incontinence (not including urgency)
nighttime awakenings (pain or BMs)
wt loss/fever/night sweats
heme (+)
fam hx colon ca
leukocytosis, anemia, (+) ESR
management of IBD (4)
diet
stress reduction
sx directed
GI referral -> scope
risk of recurrence w. nephrolithiasis
50%
diagnostic keys for nephrolithiasis
unilateral flank pain
hematuria
indications for imaging w. nephrolithiasis (2)
first time
uncertain dx
3 imaging options for nephrolithiasis
CT abd/pelvis w.o contrast
renal US
KUB
gs imaging for nephrolithiasis
CT abd/pelvis w.o contrast
when would you order US for nephrolithiasis
suspected hydronephrosis
KUB can detect __% of kidney stones
60%
when can nephrolithiasis be managed op
vss
tolerating po
pain controlled
no h.o CKD
management of nephrolithiasis (4)
fluids
NSAIDs vs toradol vs narcotics
flomax x 14 days
urology consult
indications for emergent care w. nephrolithiasis (5)
uti
aki
sig hydro
vs unstable
intractable pain
3 indications for urology consult w. nephrolithiasis
stone not passed in a few days
stone > 7 mm w. hydro
all pt w. stones > 10 mm
calculi < __ mm pass 90% of the time
5 -> no consult
calculi __ mm pass in 50% of cases
5-7
calculi __ mm pass in 10% of cases
7
what size stone won’t pass
10 mm or larger
mc place for kidney stone
UVJ
flomax works best for __ stones
distal
true pyelonephritis is characterized by __ flank pain
bilateral
true kidney stones are characterized by __ flank pain
unilateral
4 complications of nephrolithiasis
concurrent UTI/infxn
obstruction
AKI
greatest rf for SBO
adhesions
diagnostic keys for SBO
adhesions/h.o GI surgery
constipation
colicky abd pain w. dissension and tympany to percussion
mc sx of SBO
constipation
garbage PE exam that really shouldn’t be used in work up of SBO
bowel sounds
if you do get a question about bs related to SBO, how do you describe early vs late
early: high pitched, hyperactive
late: hypoactive, absent
KUB can show __% of obstructions
90
gs imaging for SBO
CT abd/pel w. contrast
management of SBO (4)
ER
NPO
NGT
+/- surgery
sx of ectopic usually start around __ weeks gestation
6-7
describe abd pain w. ectopic
non specific
poorly localized
what should you do if you have any suspicion for ectopic whatsoever
transvaginal US
even if bHCG is negative
transvaginal US has 95% sensitivity for detecting ectopic if bHCG is > __
25
abd pain is ectopic until proven otherwise in what pt pop
any patient with baby making parts of child bearing age
5 considerations for management of abd pain in the elderly
diminished pain sensation
comorbid dz
polypharmacy
vague, nonspecific presentations
> 65 yo 2x more likely to need surgery
6 abd pain related dx’s commonly missed in elderly
diverticulitis
sepsis from UTI
occult UTI
perforated viscus
AAA
ischemic bowel
what GI sx occurs in 40% of pt’s w. ACS
vomiting
always think about appendicitis if you have what 3 conditions on your differential
gastroenteritis
PID
UTI
always order what test in elderly patients with abd pain and cardiac rf
EKG
3 indications for ER with any abd pain
uncontrolled pain
vs unstable
can’t tolerate PO
2 basic indications for CT w. contrast
infxn
vascular concerns
3 basic indications for CT w.o contrast
stones
bones
blood in the brain