Gastrointestinal
Abdominal pain (child) -> constipation Abdominal pain (non-specific) -> urgent intervention required Abdominal pain -> acute cholecystitis Abdominal pain -> appendicitis Abdominal pain -> bowel obstruction Abdominal pain -> peritonitis Abdominal pain/change bowel habits -> irritable bowel syndrome Abdominal symptoms (children) -> abnormal radiograph Abdominal symptoms -> abnormal radiograph Abdominal symptoms -> intussusception Acute abdominal pain -> acute diverticultis Ascites -> spontaneous bacterial peritonitis Ascites suspected -> ascites Aspiration suspected -> aspiration Back pain -> cancer Bowel symptoms -> colorectal cancer Bowel symptoms -> Crohn's disease Bowel symptoms -> ulcerative colitis Celiac disease suspected -> celiac disease CHF suspected (post-MI) -> CHF (LVEF < 40%) Cholelithiasis suspected -> cholelithiasis Chronic constipation -> disordered defecation Chronic constipation -> slow transit Colon CA suspected (age < 70) -> colon CA Colon CA suspected (age >= 70) -> colon CA Dehydration suspected -> acidosis (CO2 < 15) Dehydration suspected -> over 5% dehydrated Diarrhea (acute) -> cholera Diarrhea (non-bloody) -> invasive diarrhea Diarrhea -> invasive diarrhea Dyspepsia (child) -> H. pylori infection Dyspepsia -> cholelithiasis Dyspepsia -> gastric CA Dyspepsia -> GERD Dyspepsia -> non-ulcer dyspepsia Dyspepsia -> peptic ulcer disease Dyspepsia -> PUD or GERD Ectopic pregnancy suspected -> ectopic pregnancy Encopresis -> fecal retention Fecal incontinence -> final diagnosis GCA suspected -> giant cell arteritis GERD suspected -> GERD GI bleed (hematechezia) -> proximal lesion HIV suspected -> HIV disease Infectious mono suspected (adult) -> infectious mononucleosis Inguinal hernia suspected -> inguinal hernia Liver disease -> cirrhosis Liver disease suspected -> subacute hepatic necrosis Lung symptoms -> lung cancer Ovarian cancer suspected -> ovarian cancer Palpable liver -> hepatomegaly Peritonsillar abscess suspected -> peritonsillar abscess Pneumonia suspected (2 mos to 5 yrs) -> pneumonia Pyloric stenosis suspected -> pyloric stenosis Rectal bleeding -> colorectal cancer SCD suspected -> serious colorectal disease (CA or IBD) Screening -> colon CA Screening -> neonatal jaundice Screening -> suicidal ideation Splenomegaly suspected -> splenomegaly Stroke -> aspiration Suspected hypovolemia -> hypovolemia not due to blood loss Suspected hypovolemia -> large blood loss Suspected hypovolemia -> moderate blood loss Upper GI symptoms -> esophageal or gastric cancer UTI suspected (women) -> UTI