Abdominal Flashcards
Epigastric Pain
PUD, GERD, gallbladder disease, pancreatitis, trauma, idiopathic
Periumbilical
Functional abdominal pain, abdominal migraine, Strep pharyngitis, gastroenteritis, appendicitis, carbohydrate intolerance, lactase deficiency
RLQ pain
ovarian torsion, appendicitis, PID, ectopic pregnancy, Mittelschmerz, R lower lobe pneumonia, inguinal hernia, iliopsoas abscess, ovarian cyst, testicular torsion
LLQ pain
constipation, ovarian cyst, testicular torsion
Suprapubic pain
UTI, constipation, urinary retention, hydrometrocolpos
Abdominal Pain Red Flags
Bleeding, peri-rectal disease, involuntary weight loss, persistent vomiting, deceleration of linear growth, acholic stools, unexplained fever, dysphagia, persistent RUQ or RLQ pain, pain that wakes child from sleep, arthritis, nocturnal diarrhea, family Hx
Extra-abdominal Causes of Abdominal Pain
Pneumonia (visceral innervation), Strep pharyngitis, reproductive tract disease (STI, cyst, ectopic pregnancy, etc.), diabetic ketoacidosis, sickle cell disease
Guarding
Peritonitis, appendicitis, cholecystitis
No bowel sounds
Peritonitis, infarcted bowel
Palpable mass
Tumor, cyst, intussusception
Nutritional status
Wt, Ht, edema, anemia
Extra-abdominal features
Arthritis, uveitis, rash (erythema nodosum on shins, pyoderma granulosum)
Abdominal distention
Peritonitis, obstruction
Visible bowel loops
Intussusception, obstruction
High-pitched bowel sounds
Obstruction
Acute Abdomen
Crying, irritability, bloody stools, fever, hypothermia (heralds sepsis), omphalitis, severe pain
RUQ
Biliary: cholecystitis, cholelithiasis, cholangitis
Hepatic: hepatitis, hepatic abscess
Others: pneumonia, PE, pancreatitis, PUB, retrocecal appendicitis
LUQ
Splenic: splenic infarct, splenic laceration
Cardiac: myocardial infarction, pericarditis
Others: pneumonia, PE, pancreatitis, PUD, diaphragmatic hernia
Epigastric
Gastric: PUD, gastritis
Pancreatic: pancreatitis
Biliary: cholecystitis, cholelithiasis, cholangitis
RLQ
Colonic: appendicitis, cecal diverticulitis, cecal volvulus
GU: nephrolithiasis, ovarian torsion, PID, ectopic pregnancy, testicular torsion, inguinal hernia
Other: mesenteric adenitis
LLQ
Colonic: sigmoid diverticulitis
GU: nephrolithiasis, ovarian torsion, PID, ectopic pregnancy, testicular torsion, inguinal hernia
Other: abdominal aortic aneurysm
Gallbladder pain
RUQ to upper back
R subcostal pain
Liver and GB
Pain relieved by vomiting
SBO
Anorexia
SBO, appendicitis, cholecystitis
Comorbid diabetes
Pancreatitis
Acute pain with Hx of Afib
Mesenteric ischemia
Appendicitis
Periumbilical pain localizing to RLQ, anorexia, nausea, fever.
Rebound tenderness, Psoas sign highly predictive
Bowel Obstruction / SBO
Abdominal distention, nausea, anorexia, constipation
Distention is highly predictive
Cholecystitis
Periumbilical pain location to RUQ, anorexia, nausea, fever
Murphy sign is highly predictive
Diverticulitis
LLQ pain, fever
LLQ pain is highly predictive
Ectopic pregnancy
Abdominal pain, amenorrhea, vaginal bleeding
Cervical motion tenderness, lateralizing pain are highly predictive
Mesenteric ischemia
Abdominal pain out of proportion with exam findings, nausea, anorexia
Pancreatitis
Abdominal pain radiating to back, N/V
Grey-Turner or Cullen sign suggest necrotizing pancreatitis
Perforated Viscus
Severe, generalized abdominal pain, peritoneal sign
Peptic Ulcer Disease (PUD)
Epigastric pain associated with eating
Ovarian torsion
sudden onset of severe, unilateral lower abdominal pain, nausea
Known history of ovarian cyst or mass increases likelihood
Ruptured AAA
Abdominal pain and/or back pain with a pulsatile abdominal mass
Pulsatile mass is highly predictive
Ureterolithiasis
Acute onset flank pain radiating to groin, nausea
Can mimic ruptured AAA
Surgical Scar
Obstruction, perforated viscus
Ecchymosis
Retroperitoneal bleed
Grey-Turner (flanks)
Acute pancreatitis, retroperitoneal hematoma, ruptured ectopic pregnancy
Cullen (umbilicus)
Ectopic pregnancy, acute pancreatitis, retroperitoneal hematoma
Fox (inguinal)
Traumatic injury to pancreas, kidneys, aorta, ascending/descending colon
Bryant (scrotal)
Ruptured AAA
Abdominal distention
Obstruction, ascites
Vesicular Rash (dermatomal)
Zoster
Elevated WBC
Appendicitis, mesenteric ischemia, SBO, pancreatitis
Doesn’t R/O, just gives hints
C-Reactive Protein
Perforated appendix
Procalcitonin
Stimulated by bacterial infection
Complicated appendicitis and intestinal ischemia/necrosis
D Dimer
Trauma, malignancies, venous thromboembolism, and aortic dissection
Mesenteric ischemia
Intestinal Fatty Acid Binding Protein (I-FABP)
Small intestine epithelium
Intestinal injury or mucosal barrier disruption d/t poor mesenteric blood flow or ischemia
Lactate
Liver can’t convert all of what tissues are releasing d/t anaerobic glycolysis.
Vascular causes of abdominal pain d/t decreased tissue perfusion and hypoxia
Serum Lipase/Amylase and LFT
In epigastric pain, r/o pacnreatitis
Lipase increases later than amylase
False elevation w/ impaired renal function
ALT/AST elevation with gallstones and gallstone pancreatitis
Dx appendicitis
CT or U/S
Dx bowel obstruction
Xray
Dx Cholecystitis
U/S
Dx Diverticulitis
CT
Dx Ectopic pregnancy
Transvaginal U/S
Dx Mesenteric ischemia
CTA
Dx Pancreatitis
CT
Dx Perforated viscus
Xray
Dx Ovarian torsion
Pelvic U/S with Doppler
Dx Renal/ureteral colic
Spiral CT w/o contrast
Dx Ruptured AAA
U/S
XRay - Air under diaphragm
Perforated viscus
Artifact of recent laproscopy
XRay - Air fluid levels (strong of pearls, stack of coins)
SBO
XRay - appedicolith/fecalith
Appendicitis
XRay - Double Bubble
Malrotation with midgut volvulus
XRay - Sentinel Loop Sign
Acute pancreatitis (L), acute appendicitis (R), acute cholecystitis (R), diverticulitis (L)
XRay - target/crescent lucency
Intussusception
XRay - Bent Inner Tube
Sigmoid volvulus
XRay - Coffee Bean
Cecal or sigmoid volvulus