1. abdominal pain Flashcards
adhesions - history
Hx of abdominal or pelvic surgery
intermittent, cramp like abdominal pain
nausea and/or vomiting
constipation
absence of flatus
history of intra-abdominal malignancy (ovarian or colon cancer)
adhesions - examination
high pitched bowel sounds with rushes or absent bowel sounds
distended abdomen
tenderness on palpation
involuntary guarding
pyrexia
tachycardia
tympany on percussion
presence of abdominal scars
adhesions - Ix
CT abdo pelvis with oral and IV contrast - may see dilated loops of proximal bowel with collapsed loops posterior to site of obstruction
abdo x-ray - dilated loops of bowel
Chest X-ray - may see free air under the diaphragm
ABG - normal or metabolic acidosis; elevated lactate
FBC - elevated WBC, may be normal in early obstruction
CRP - may be elevated
incarcerated hernia - Hx
Hx of hernia, intermittent, cramp like abdominal pain, painful bulge, nausea, vomiting, decreased of absent bowel function, absence of flatus, distended abdo
incarcerated hernia - O/E
high pitched bowel sounds with rushes or absent bowel sounds
distended abdomen
tenderness to abdo palpation
tender bulge in abdominal wall our inguinal/femoral region, involuntary guarding, indirect hernia
incarcerated hernia - Ix
ABG - may be normal or metabolic acidosis, elevated lactate
FBC - may be normal in early obstruction, elevated WBC count as bowel infarction develops
CRP - may be elevated
CT abdo pelvis - dilated loops of proximal bowel with collapsed loops posterior to the site of obstruction
US groin - free fluid in hernia sac, bowel wall sickened, fluid within a herniated bowel loop, dilated intra-abdominal bowel loops
cholecystitis - Hx
RUQ pain intense lasting more than 30 minutes
HX of cholelithiasis and biliary colic
exacerbated by eating fatty foods
referred right shoulder pain
fever, nausea and/or vomiting
more common in women
risk factors for cholecystitis
women
obesity
age over 50
pregnancy
use of oestrogen
history of liver disease
cirrhosis
pancreatitis
cholecystitis O/E
fever, tachycardia, rue tenderness
Murphy’s sign - arrest of inhalation during palpation
palpable gallbladder
local guarding
jaundice
cholecystitis Ix
FBC - elevated WBC count
LFTs - may see elevated alkaline phosphatase, bilirubin and aminotransferase
CRP > 30 mg/L
RUQ US: gallstones, thickened gallbladder wall (>4mm), pericholecystic fluid
cholescintigraphy - no contrast filling in gallbladder
cholescintigraphy is cholecystitis
no contrast filling gallbladder
perforated gastric ulcer Hx
recurrent upper abdominal pain - dyspepsia
nausea, vomiting, anorexia
pain exacerbated by food
weight loss
use of NSAIDs
sudden onset severe upper abdo pain with fever, nausea, vomiting, peritoneal signs
referred pain to shoulder secondary to diaphragmatic irritation
perforated gastric ulcer O/E
fever, peritoneal signs with guarding and rebound
perforated gastric ulcer Ix
ABG - may be normal or metabolic acidosis
blood cultures - may detect bacteraemia
FBC - microcytic anaemia, elevated WBC count
serum electrolytes - may show elevated creatinine and urea
CRP - usually elevated
normal serum lipase or amylase
CT abdo pelvis - pneumoperitonism
abdo x-ray - abdominal free air on erect abdominal film
chest x-ray - may see free air under the diaphragm
helicobacter pylori - may be positive
perforated gastric ulcer special tests
Upper GI series with water soluble contrast - extraversion of contrast from stomach
oesophagogastroduodenoscopy with biopsy - may show helicobacter pylori or malignancy on histology
fasting serum gastrin level - hypergastrinaemia in zolliger-ellison syndrome
appendicitis Hx
sudden onset
constant, severe abdo pain often periumbilical with migration to right lower quadrant, usually worse on movement
nausea, vomiting, anorexia, fever, diarrhoea, more common in children than young adults, pain may improve after appendix rupture.
appendicitis O/E
fever, tachycardia, patient may be lying in right lateral decubitus position with hips flexed; no or decreased bowel sounds; pain commonly originates near the umbilicus or the epigastrium; right lower quadrant (McBurney’s point) tenderness with rigid abdomen; guarding and rebound tenderness; Rovsing’s sign (palpation of left lower quadrant elicits pain in the right lower quadrant), psoas sign (right lower quadrant pain with right thigh extension), pain reproduced by coughing or hopping
appendicits Ix
FBC - elevated WBC count
CRP elevated
CT scan of abdomen and pelvis wth intravenous contrast - abnormal appendix (diameter >6mm) identified or calcified appendicolith seen in association with peri-appendiceal inflammation
RLQ US: non-compressible appendix of >7mm in anteroposterior diameter appendicolith, interruption of continuity of the echogenic submucosa, peri appendices fluid or mass
MRI abdo - findings may include diffuse or segmental enlargement of the pancreas with irregular contour and obliteration of the peri pancreatic fat, necrosis or pseudocysts.
ectopic pregnancy Hx
vaginal bleeding with severe, usually unilateral pelvic pain, amenorrhoea or painless vaginal bleeding, history of recent early pregnancy or missed last menstrual period
ectopic pregnancy risk factors
history of ectopic
tubal surgery
PID
infertility treatment and pregnancy with an IUD in situ
ectopic pregnancy O/E
may have palpable adrenal mass with or without tenderness, rigid abdomen, guarding and rebound tenderness with ruptured ectopic leading to haemorperitoneum, tachycardia, and hypotension, vaginal bleeding on speculum examination
ectopic pregnancy Ix
hCG - positive
FBC - possible anaemia
pelvic ultrasound - no intrauterine pregnancy detected, ectopic pregnancy visualised
diagnostic laparoscopy - ectopic pregnancy or complex mass seen
PID Hx
sexually active, unprotected sexual intercourse
prior infection with chlamydia of gonorrhoea; history of PID; use of intrauterine device, lower abdominal or pelvic pain of recent onset or relatively short duration that may have begun after intercourse, abnormal vaginal discharge , fever
PID O/E
abdominal tenderness, abnormal vaginl discharge, cervical motion tenderness and adnexal tenderness will be present, bimanual examination may reveal a tube-ovarian abscess
PID O/E
FBC - elevated WBC count
erythrocyte sedimentation rate/CRP - elevated
wet mount of vaginal secretions - polymorphonuclear cells present
nucleic acid amplification test or culture of vaginal secretions - may confirm infection with chlamydia trichromatic or neisseria gonorrhoea
PID US
tubal wall thickness >5mm, incomplete septa within the tube, fluid in the cup-de-sac, and a cog-wheel appearance on the cross section of the tubal vein, may see complex adnexal mass, which could be indicative off a tubo-ovarian abscess
acute pancreatitis
acute-onset, constant, severe mid-abdominal/epigastric pain that often radiates to the back; nausea, vomiting; anorexia; history of biliary colic, alcohol misuse, use of specific medicines (e.g., sulphonamides, tetracycline, oestrogens, corticosteroids), trauma, or surgery
acute pancreatitis O/E
varying degrees of abdominal tenderness, usually worse in the epigastric region; guarding, abdominal distension, and reduced or absent bowel sounds; ecchymoses in the skin of one or both flanks (Grey-Turner’s sign) and/or the periumbilical area (Cullen’s sign)
acute pancreatitis Ix
serum lipase of amylase - elevated (3x the upper limit)
FBC - elevated WBC
LFTs - normal or elevated ALT
urea and creatinine - normal or elevated
serum glucose - normal or elevated
serum calcium - may be elevated
serum triglycerides - may be elevated
acute pancreatitis imaging
abdo US - ascites, gallstones, dilated common bile duct, enlarged pancreas
CT abdo with oral and IV contrast - may show pancreatic inflammation, peri-pancreatic stranding, calcifications, fluid collections, confirms or excludes gallstones.
magnetic resonance cholangiopancreatography - findings may include stones, diffuse or segmental enlargement of the pancreas with irregular contour and obliteration od the peri pancreatic fat, necrosis or pseudocysts
acute diverticulitis Hx
perisistant LLQ pain, fever, anorexia, nausea, vomtiing, abdominal distension (with ileum), patient may have a history of diverticulosis
acute diverticulitis O/E
fever, LLQ tenderness, frank blood in stool, diffuse tenderness with peritoneal signs (guarding, rebound tenderness, rigid abdomen) with perforation or ruptures abscess
acute diverticulitis Ix
elevated WBC count
acute diverticulitis imaging
water soluble contract enema - may see diverticula along with extraversion of contrast material into an abscess cavity or into the peritoneum
abdo US - may see fluid collections around the colon or a thickened hypoechoic bowell wall
endoscopy - may ee inflamed diverticulum, abscess or perforation
laparoscopy in diverticulitis allows direct visualisation of bowel if diagnosis is unclear
ulcerative colitis Hx
bloody much diarrhoea and/or frank blood, fever, abdominal pain, weight los, growth retardation, back and joint pain and stiffness
UC O/E
abdominal tenderness; fevers; skin rash; episcleritis; pallor; guaiac-positive stools or frank blood on rectal examination
UC labs
FBC:
variable degree of anaemia, leukocytosis, or thrombocytosis
comprehensive metabolic panel (including LFTs):
hypokalaemic metabolic acidosis; elevated sodium and urea; elevated alkaline phosphatase, bilirubin, aspartate aminotransferase, and alanine aminotransferase; hypoalbuminaemia
CRP and erythrocyte sedimentation rate:
elevated
UC stool studies
negative culture, Clostridium difficile toxins A and B negative; WBCs present; elevated faecal calprotectin
UC abdo X ray
dilated loops with air-fluid level secondary to ileus; free air is consistent with perforation; in toxic megacolon, the transverse colon is dilated to ≥6 cm in diameter
UC colonoscopy/sigmoidoscopy
rectal involvement, continuous uniform involvement, loss of vascular marking, diffuse erythema, mucosal granularity, fistulas (rarely seen), normal terminal ileum (or mild ‘backwash’ ileitis in pancolitis)
UC biopsy
continuous distal disease, mucin depletion, basal plasmacytosis, diffuse mucosal atrophy, absence of granulomata, and anal sparing; only mucosal/submucosal involvement
UC in double contrast barium enema
results range from a fine granular appearance of the bowel wall to diffuse ulceration, thumbprinting (due to mucosal oedema), and narrowing and shortening of the bowel, depending on the severity of the disease
UC CT abdo pelvis with oral and IV contrast
may show thickening, inflammation, abscess, fistulisation, obstruction of the bowel; biliary dilation suggests primary sclerosing cholangitis
churns disease Hx
family history of Crohn’s disease; typical age range 15-40 or 60-80 years; fevers, abdominal pain, prolonged intermittent bloody or non-bloody diarrhoea; fatigue; anal discharge and abscess; weight loss; faltering growth in children
churns disease O/E
abdominal tenderness often periumbilical or right lower quadrant if terminal ileum inflamed, mimicking appendicitis; peri-anal disease with fissures, skin tags fistulae, sinuses, and abscesses; aphthous ulcers; blood on rectal examination
churns disease labs
FBC:
anaemia; leukocytosis; may be thrombocytosis
comprehensive metabolic panel:
hypoalbuminaemia, hypocholesterolaemia, hypocalcaemia
CRP and erythrocyte sedimentation rate:
elevated
iron studies:
normal, or may demonstrate changes consistent with iron deficiency
serum vitamin B12:
may be normal or low
serum folate:
may be normal or low
churns disease stool studies
absence of infectious elements seen on microscopy or culture; faecal calprotectin may be elevated
churns disease imaging
abdo x ray:
small bowel or colonic dilation; calcification; sacroiliitis; intra-abdominal abscesses
CT abdomen:
skip lesions, bowel wall thickening, surrounding inflammation, abscess, fistulae
MRI abdomen/pelvis:
skip lesions, bowel wall thickening, surrounding inflammation, abscess, fistulae
abdominal and pelvic ultrasonography:
bowel wall thickening, surrounding inflammation, abscess; tubo-ovarian abscess
colonoscopy:
aphthous ulcers, hyperaemia, oedema, cobblestoning, skip lesions
churns disease tissue biopsy
tissue biopsy:
mucosal bowel biopsies demonstrate transmural involvement with non-caseating granulomas
cholelithiasis Hx
right upper quadrant or epigastric pain (lasting more than 30 minutes) sometimes associated with food