Abdominal pain
Workup
1) B-hCG
2) CBC
3) Chem 7
4) LFTs
5) Lipase
6) UA/Gm stain/UCx
7) Guaiac
8) IVF
9) ECG (>50 yo)
10) ?CXR
11) ?Coags
12) ?contrast --> CT
13) ?US
DDX
Killers
- AAA
- Mesenteric Ischemia
- Bowel Perforation
- Small Bowel Obstruction
- Sigmoid Volvulus
- Ectopic Pregnancy
- Placental Abruption
- MI
Diffuse
- Peritonitis
- Acute pancreatitis
- Sickle cell crisis
- Early appendicitis
- Mesenteric thrombosis
- Gastroenteritis
- Dissecting/rupturing aneurysm
- Intestinal obstruction
- Diabetes
RUQ
- Acute cholecystitis/biliary colic
- Acute hepatitis
- Hepatic abscess
- Hepatomegaly due to CHF
- Perforated duodenal ulcer
- Acute pancreatitis (can be bilateral)
- Retrocecal appendicitis
- Herpes zoster
- Myocardial ischemia
- Right lower lobe pneumonia
- Bowel obstruction
Epigastric
- Gallbladder disease
- GERD
- PUD
- Gastritis
- Acute pancreatitis
- Splenic enlargement/rupture/infarction/aneurysm
- Myocardial ischemia
- Pericarditis/Myocarditis
- Aortic dissection
LUQ
- Gastritis
- Acute pancreatitis
- Splenic enlargement/rupture/infarction/aneurysm
- Myocardial ischemia
- Left lower lobe pneumonia
RLQ
- Appendicitis
- Regional enteritis
- Meckel's diverticulitis
- Cecal diverticulitis
- Leaking aneurysm
- Abdominal wall hematoma
- Ruptured ectopic
- Twisted ovarian cyst
LLQ
- Sigmoid diverticulitis
- Leaking aneurysm
- Ruptured ectopic
- Mittleshmerz
- Twisted ovarian cyst
Pelvic
- Mittelschmerz
- Endometriosis
- Ureteral calculi
- Seminal vesiculitis
- Psoas abscess
- Mesenteric adenitis
- Incarcerated hernia
- Endometriosis
Extra-Abdominal
- MI
- Aortic Dissection
- AAA
- PNA
- PE
- Testicular Torsion
- Herpes zoster
- Muscle spasm
- Strep pharyngitis (children)
- Mononucleosis
- DKA
- ETOH ketoacidosis
- Uremia
- Sickle cell disease
- Porphyria
- SLE
- Vasculitis
- Glaucoma
- Hyperthyroidsim
- Methanol poisoning
- Heavy metal toxicity
- Addison's Disease
- Acute Porphyria
Source
3/20/06 DONALDSON (adapted from Rosen)
