On the premise that diagnosis is largely based on history of presenting illness.

Here are some approaches to history taking in Emergency Medicine. Organized according to the chief complaint (CC) of the patient. A resource of focused interrogation, to help the physician in training to efficiently synthesize a differential diagnosis. Keeping it simple, with emphasis on severe etiologies first, and common etiologies second.

This resource is a study aid that allows you to test yourself before you reveal the answer by clicking on the expandable text.

Need something fast? Search bar allows you to search CC by keyword.

Intended audience is medical students on clerkship rotations or electives.

Likelihood Ratios, and Validations of Decision Rules is also discussed. Approaches are organized anatomically, because anatomy doesn’t change much over time.