FROM TRIAGE TO TREATMENT: CLINICAL REASONING AND MANAGEMENT OF ACUTE GASTROENTERITIS IN A 25-YEAR-OLD OUTPATIENT Evaluation and Management of Acute Loose StoolsPATIENT HEADER Field Data Patient Name Sarah Jenkins Age 25 years old Gender Female Race/Ethnicity Caucasian Date of Birth 03/15/2001 Encounter Date March 17, 2026 Encounter Time 2:30 PM Location Outpatient Clinic with Laboratory Capabilities Chief Complaint "I've had terrible diarrhea for three days and I feel so weak." Source Patient (alert and oriented) Mode of Arrival Walk-in (accompanied by friend) SECTION 1: SUBJECTIVE DATA This section contains verbatim and paraphrased information reported by the patient.History of Present Illness (HPI) Sarah Jenkins is a 25-year-old female who presents to the outpatient clinic with a chief complaint of acute onset loose stools that began approximately 72 hours ago (3 days prior to arrival). Chronology of Events: Day 1 (3 days ago - Morning): The patient reports waking up with mild, crampy lower abdominal discomfort. She had her first episode of loose, watery stool around 9:00 AM. She assumed it was mild indigestion and went to work as usual (she works as a preschool teacher). Day 1 (Afternoon/Evening): She experienced an additional 4 episodes of watery diarrhea throughout the day. By