Gastrointestinal
AAA suspected -> abdominal aortic aneurysm Abdominal pain -> acute mesenteric ischemia Abdominal pain -> cholecystitis (acalculus) Abdominal pain -> cholecystitis (acute) Abdominal pain -> chronic gastrointestinal ischemia Abdominal pain -> illness requiring inpatient care Abdominal pain -> urgent diagnosis Abnl UGI / persistent symptoms -> gastric adenocarcinoma Abscess suspected -> abd abscess Abscess suspected -> abd or pelvic abscess Abscess suspected -> pelvic abscess Acute diarrhea -> campylobacter jejuni Acute diarrhea -> inflammatory bacterial cause Acute diarrhea -> salmonella spp Acute diarrhea -> shigella spp Acute diarrhea -> yersinia spp Acute pancreatitis -> disrupted or disconnected pancreatic duct Adrenal mass (cancer patient) -> metastatic cancer AIDS and diarrhea -> cryptosporidiosis Anemia (cirrhotic patient) -> anemia (iron deficiency) Anemia -> hereditary spherocytosis Appendicitis -> ruptured appendix Appendicitis suspected (adults) -> appendicitis Appendicitis suspected (any) -> appendicitis Appendicitis suspected (child) -> appendicitis Appendicitis suspected (dx uncertain) -> appendicitis Ascites -> spontaneous bacterial peritonitis Ascites -> portal hypertension Barrett esophagus -> develops esophageal CA Biliary obstruction suspected -> biliary obstruction Biliary stricture -> cholangiocarcinoma Biliary tract symptoms -> common bile duct pathology Blunt trauma -> hemoperitoneum Bowel obstruction -> intestinal ischemia Bowel symptoms -> colorectal cancer Bowel symptoms -> colorectal cancer, high risk adenoma, or IBD Bowel symptoms -> High risk adenoma Bowel symptoms -> Inflammatory bowel disease Bowel symptoms -> organic disease (not IBS) C. difficile suspected -> C. difficile toxin Celiac disease suspected (any) -> celiac disease Celiac disease suspected (child) -> celiac disease Chest pain (non-cardiac) -> GERD Chronic liver disease or elevated transaminases -> hepatic steatosis Cirrhosis -> ascites Colon CA -> liver metastasis Colon CA suspected -> colon CA Colon cancer -> metastatic disease Colorectal cancer -> cancer recurrence Diarrhea (acute) -> cholera Diarrhea (acute) -> salmonella or shigella Diarrhea (chronic) -> steatorrhea Diarrhea (chronic) -> UC or Crohns Diarrhea (non-bloody) -> invasive diarrhea Diverticulitis suspected -> complicated diverticulitis Diverticulitis suspected -> diverticulitis Diverticulitis suspected -> simple diverticulitis Dyspepsia (child) -> H. pylori infection Dyspepsia -> GERD Dyspepsia -> H. pylori infection Dyspepsia -> ulcer or cancer Elevated aminotransferases -> hepatic steatosis Esophageal cancer -> nodal staging Esophageal cancer -> spread of disease Food allergy suspected -> IgE mediated food allergy Gastric cancer -> peritoneal metastases Gastric cancer -> peritoneal metastases Gastrointestinal symptoms -> Barretts esophagus GI bleed (rectal) -> GI bleeding source GI bleed -> colonic angiodysplasia GI bleed -> GI bleeding source GI bleed -> upper GI bleed GI bleeding -> diverticular bleeding site GI surgery -> nutrition-associated complication HCV or cirrhosis -> hepatocellular CA Heavy alcohol use + abnl ALT -> alcoholic hepatitis Hepatitis C -> cirrhosis Hepatitis C -> histologic response to interferon Hepatitis C -> severe fibrosis or cirrhosis Hepatobiliary disease suspected -> hepatobiliary disease Hirschsprung's suspected -> Hirschsprung's disease IBD suspected (adult) -> UC or Crohns disease IBD suspected (child) -> UC or Crohns disease IBD suspected -> UC or Crohns disease IBS suspected -> irritable bowel syndrome Ilial pouch symptoms -> pouchitis Inguinal hernia suspected -> inguinal hernia Intussusception suspected -> intussusception Liver disease suspected -> chronic active liver disease Liver disease suspected -> subacute hepatic necrosis Mucosal lesion GI wall -> gastric adenocarcinoma NAFLD -> advanced fibrosis Pancreatic CA suspected -> pancreatic CA Pancreatitis (alcoholic) -> severe pancreatitis Pancreatitis (gallstone) -> common bile duct stone Pancreatitis (gallstone) -> severe pancreatitis Pancreatitis -> alcoholic pancreatitis Pancreatitis -> cholelithiasis Pancreatitis -> severe pancreatitis Pancreatitis suspected -> chronic pancreatitis Pancreatitis suspected -> pancreatitis Pelvic mass -> ovarian CA Peptic ulcer (bleeding) -> H. pylori infection Perianal fistula suspected -> perianal fistula Pneumonia suspected (ventilator associated) -> pneumonia Positive hemoccult -> colon CA Positive hemoccult -> polyps Prostate CA -> bony metastases PVST suspected -> portal venous system thrombosis Pyloric stenosis suspected -> pyloric stenosis Recent abdominal wall surgery -> incisional hernia SCD suspected -> serious colorectal disease (CA or IBD) Screening -> hepatic steatosis Screening (any) -> colon CA Screening (any) -> colon CA (Dukes A/B) Screening (any) -> colon CA (Dukes C) Screening (any) -> colon CA (Dukes D) Screening (any) -> colon CA or > 1cm adenoma Screening (any) -> colon CA or any adenoma Screening (any) -> colon polyps Screening (any) -> serious inflammatory disease Screening (aspirin user) -> colon CA or advanced adenoma Screening (men BMI < 26.3) -> excess alcohol use Screening (men BMI >= 26.3) -> excess alcohol use Screening (men) -> hep B antigen (+) Screening (men) -> hep C antibody (+) Screening (non aspirin user) -> colon CA or advanced adenoma Screening (women) -> ovarian CA Small bowel obstruction suspected -> small bowel obstruction Staging Hodgkins -> liver involved Staging Hodgkins -> spleen involved Torsion suspected -> testicular torsion Zollinger-Ellison suspected -> Zollinger-Ellison syndrome