Detailed account obtained during an interview with the patient of the onset, duration, and character of the present illness and any acts or factors that aggravate or ameliorate the symptoms, as well as the findings on physical examination. Then the physician makes a medical decision based on the number of diagnoses or management options, amount of data or complexity of data reviewed, and complications and/or morbidity or mortality. An H & P may be performed before or on the day of admission as an inpatient to the hospital.