iHuman Case Study: Dan Jones – Acute Diarrhea in a
Middle-Aged Adult. A Comprehensive 35-Page Exam
Study Guide with Clinical Reasoning, Diagnostic
Workup, and Treatment Algorithms | Latest 2026/2027
,
, TABLE OF CONTENTS
SECTION I: CASE INTRODUCTION AND PATIENT
FOUNDATIONS
Pages 1-5
1.0 Case Overview and Learning Objectives
• 1.1 Case Summary and Demographics
• 1.2 Core Learning Objectives
• 1.3 Clinical Significance and Epidemiological Context
• 1.4 Case Setup and Test Mode Instructions
2.0 Patient Profile and Initial Presentation
• 2.1 Complete Patient Demographics
• 2.2 Chief Complaint Analysis
• 2.3 Triage and Urgency Assessment
3.0 History of Presenting Illness (HPI)
• 3.1 OLD CARTS Framework Analysis
• 3.2 Associated Symptoms Assessment
• 3.3 Onset and Progression Narrative
• 3.4 Recent Exposures and Risk Factors
SECTION II: COMPREHENSIVE PATIENT HISTORY
, Pages 6-10
4.0 Review of Systems (ROS)
• 4.1 Constitutional Symptoms
• 4.2 HEENT Examination Review
• 4.3 Cardiovascular System Review
• 4.4 Respiratory System Review
• 4.5 Gastrointestinal System Review
• 4.6 Genitourinary System Review
• 4.7 Musculoskeletal System Review
• 4.8 Neurological System Review
• 4.9 Dermatological System Review
• 4.10 Psychiatric System Review
5.0 Past Medical and Surgical History
• 5.1 Chronic Medical Conditions
• 5.2 Surgical History
• 5.3 Hospitalizations and Transfusions
• 5.4 Obstetric/Gynecological History
6.0 Medication and Allergy History
• 6.1 Current Prescription Medications
• 6.2 Over-the-Counter Medications
• 6.3 Supplements and Herbal Products
• 6.4 Recent Antibiotic Use Assessment
• 6.5 Allergy Documentation
7.0 Social and Family History
• 7.1 Lifestyle Factors Assessment
• 7.2 Dietary Habits Analysis
• 7.3 Travel and Exposure History
• 7.4 Sexual History Assessment
• 7.5 Occupational History
• 7.6 Family History Documentation
SECTION III: PHYSICAL EXAMINATION
Middle-Aged Adult. A Comprehensive 35-Page Exam
Study Guide with Clinical Reasoning, Diagnostic
Workup, and Treatment Algorithms | Latest 2026/2027
,
, TABLE OF CONTENTS
SECTION I: CASE INTRODUCTION AND PATIENT
FOUNDATIONS
Pages 1-5
1.0 Case Overview and Learning Objectives
• 1.1 Case Summary and Demographics
• 1.2 Core Learning Objectives
• 1.3 Clinical Significance and Epidemiological Context
• 1.4 Case Setup and Test Mode Instructions
2.0 Patient Profile and Initial Presentation
• 2.1 Complete Patient Demographics
• 2.2 Chief Complaint Analysis
• 2.3 Triage and Urgency Assessment
3.0 History of Presenting Illness (HPI)
• 3.1 OLD CARTS Framework Analysis
• 3.2 Associated Symptoms Assessment
• 3.3 Onset and Progression Narrative
• 3.4 Recent Exposures and Risk Factors
SECTION II: COMPREHENSIVE PATIENT HISTORY
, Pages 6-10
4.0 Review of Systems (ROS)
• 4.1 Constitutional Symptoms
• 4.2 HEENT Examination Review
• 4.3 Cardiovascular System Review
• 4.4 Respiratory System Review
• 4.5 Gastrointestinal System Review
• 4.6 Genitourinary System Review
• 4.7 Musculoskeletal System Review
• 4.8 Neurological System Review
• 4.9 Dermatological System Review
• 4.10 Psychiatric System Review
5.0 Past Medical and Surgical History
• 5.1 Chronic Medical Conditions
• 5.2 Surgical History
• 5.3 Hospitalizations and Transfusions
• 5.4 Obstetric/Gynecological History
6.0 Medication and Allergy History
• 6.1 Current Prescription Medications
• 6.2 Over-the-Counter Medications
• 6.3 Supplements and Herbal Products
• 6.4 Recent Antibiotic Use Assessment
• 6.5 Allergy Documentation
7.0 Social and Family History
• 7.1 Lifestyle Factors Assessment
• 7.2 Dietary Habits Analysis
• 7.3 Travel and Exposure History
• 7.4 Sexual History Assessment
• 7.5 Occupational History
• 7.6 Family History Documentation
SECTION III: PHYSICAL EXAMINATION