EMERGENCY MEDICINE
Meningitis and Encephalitis
Key Points Print Section Listen The classic triad of meningitis includes fever, neck stiffness, and altered mental status. However, all 3 of these are present less than half of patients…
Intestinal Obstruction
Key Points Print Section Listen Intestinal obstruction presents with acute abdominal pain, abdominal distension, and vomiting. Abdominal radiographs can demonstrate obstruction, but computed tomography is more sensitive. Intestinal obstruction is…
Blood and Body Fluid Exposure
Key Points Print Section Listen A blood or body fluid exposure refers to contact with potentially infected fluids through non-intact skin, mucous membranes, or skin penetrated by a sharp object….
Abdominal Aortic Aneurysm
Key Points Print Section Listen Diagnosis of ruptured abdominal aortic aneurysm (AAA) is frequently missed or delayed. The most common misdiagnosis is renal colic. AAA must be considered in any…
Acute Cholecystitis
Key Points Print Section Listen Biliary colic frequently presents with epigastric or right upper quadrant pain that resolves in a few hours and is not associated with fever or leukocytosis….
Gastrointestinal Bleeding
Key Points Print Section Listen Aggressive resuscitative measures (intravenous access, crystalloid bolus, and blood products) are necessary in unstable patients with gastrointestinal (GI) bleeding. A negative nasogastric lavage does not…
Appendicitis
Key Points Print Section Listen The absence of leukocytosis or the presence of diarrhea does not rule out appendicitis. Appendicitis is a clinical diagnosis, with imaging aiding in atypical presentations…
Acute Abdominal Pain
Key Points Print Section Listen primary survey should be conducted to rapidly screen for vascular catastrophes, abdominal sepsis, or perforated viscus. Appendicitis should always be on the differential diagnosis for…