Diagnosing Acute Bacterial Rhinosinusitis iHuman Case Study | Complete HPI, PE, Differential Diagnosis & Treatment Plan (Class 6550 - 2026 Update)PATIENT INFORMATION Patient Name: Michael Chen (fictional) Age: 42 years Gender: Male Ethnicity: Asian-American Occupation: High School Teacher Marital Status: Married Date of Encounter: January 15, 2026 Setting: Outpatient Primary Care Clinic Student Name: [Your Name] Course: Class 6550 - Advanced Clinical Assessment Week: 2 SECTION 1: CHIEF COMPLAINT 1.1 Presenting Concern "I've had this terrible headache and face pain for over a week now, and it's getting worse instead of better. I thought it was just a bad cold, but now I'm running a fever and nothing seems to help." 1.2 Patient Identification and Triage Vital Signs (Triage): Parameter Value Normal Range Blood Pressure 128/78 mmHg