Blood diarrhea suggests bacterial etiology
Viral<unk>  usually lasts <7d
Do not diagnose isolated vomiting as<unk> 
Nausea, vomiting, watery diarrhea
Mild abdominal cramps, myalgia
Fecal-oral
Contaminated food or water
Nausea, severe vomiting, diarrhea,
Mild abdominal cramping
Previously cooked foods (mayonaise, ham, salads)
Abrupt onset of nausea, vomiting, mild diarrhea
Previously cooked foods (rice, vegetables, dried fruits, meat)
Nausea, minimal vomiting, watery diarrhea
Abd cramps
Previously cooked or reheated meats and poultry
Explosive rice-water diarrhea
Vomiting, abdominal cramps
Fever
Fecal-oral
Contaminated food or water
Flatus, bloating
Foul-smelling and fatty stools (steatorrhea)
Fecal-oral
Contaminated water
Fever, relative bradycardia
Abdominal pain
Bloody diarrhea
Headache
Osteomyelitis in sickle cell
Eggs
Poultry
Water
Reptiles
Fever
Abdominal pain
Bloody diarrhea
Headache
1-5 years old
Seizures in children
Food
Fecal-Oral
Appendicitis mimic, RLQ pain
Fever
Vomiting
Kids and Young Adults
Water
Milk
Pork
Wild Animals
Fecal-Oral
Low grade fever
Abdominal pain
Kids and Young Adults
Guillain-Barre
Water
Poultry
Pets/Animals
Copious FOUL diarrhea
Antibiotic use: PCN, Clinda, Cephalosporins
Appendicitis Mimic
Abdominal pain, nausea/vomiting, diarrhea
Water
Sanitation
Travel
Acute gastroenteritis
ACS/MI
Bacterial gastroenteritis
Boerhaave's
Viral gastroenteritis
DKA
Acute diarrhea
Intracranial Hemorrhage