UC Decision Trees

One tree per chief complaint. Tap a symptom, answer one question at a time, arrive at a diagnosis (or an escalation) with workup, management, and disposition.

ED nowUrgent referralPCP / outpatientUC / home

Cardiovascular / vascular

Chest Pain Elevated Blood Pressure Facial / Lip Swelling Leg Swelling Palpitations Syncope (passed out / LOC)

Pulmonary

Cough Coughing Up Blood (hemoptysis) Shortness of Breath Wheezing / Asthma Symptoms

ENT / dental

Difficulty Swallowing Ear Discharge / Hearing Change Ear Pain Hoarseness / Voice Change Mouth Sore / Lesion Nasal Congestion / Sinus Pressure Nosebleed (epistaxis) Sore Throat Toothache

Eye

Eye Pain / Foreign Body / Trauma Red Eye Vision Change (Blurry / Loss / Double)

Neurology

Confusion / Altered Mental Status Dizziness Focal Weakness / Facial Droop Head Injury Headache Numbness / Tingling Seizure Tremor

Gastrointestinal

Abdominal Pain Constipation Diarrhea Heartburn / Epigastric Pain Nausea / Vomiting Rectal / Anal Pain Rectal Bleeding / Blood in Stool Vomiting Blood (hematemesis)

Genitourinary / reproductive

Blood in urine (hematuria) Breast Pain / Redness Cannot urinate (urinary retention) Dysuria (painful urination) Suspected UTI (UTI-like symptoms) — full timeline incl. culture callback Flank Pain Missed Period / Pregnancy Concern Pelvic Pain (Female) Penile Discharge / Lesion Testicular / Scrotal Pain Urinary frequency / urgency Vaginal bleeding (non-pregnant) Vaginal bleeding (pregnant) Vaginal discharge

Musculoskeletal

Ankle Pain — Atraumatic Ankle Pain — Traumatic Arm Pain Elbow Pain / Injury Fall / Ground-Level Fall (Mechanism) Foot / Toe Pain / Injury Hip Pain / Injury Joint Pain — Atraumatic (Mono / Poly) Knee Pain / Injury Leg Pain Low Back Pain Motor Vehicle Collision (Mechanism) Muscle Cramps Neck Pain Rib / Chest-Wall Pain Shoulder Pain / Injury Wrist / Hand Pain / Injury

Dermatology

Bite / Sting Blood Under Nail / Nail Injury Burn Itching (Pruritus) Laceration Rash Skin Lesion / Lump Tick Bite / Rash After Tick Bite Wound Check / Suture Removal

Constitutional / infectious

Fever (adult) Night Sweats Swollen Lymph Node (lymphadenopathy)

Endocrine / metabolic

Fatigue High Blood Sugar (hyperglycemia) Low Blood Sugar (hypoglycemia) Unintentional Weight Loss

Psychiatric

Anxiety / Panic Depressed Mood Insomnia Substance Use / Withdrawal Suicidal Thoughts (safety assessment)

Toxicology / environmental

Chemical Exposure Cold Exposure / Frostbite Heat Illness Needlestick / Occupational Blood Exposure Possible Poisoning / Overdose / Ingestion

Pediatrics

Barky Cough / Croup Diaper Rash Fever (pediatric) Infant Noisy Breathing / Bronchiolitis Limp (child)

UC workflow

Sports Physical / Pre-Participation Exam Work / School Note Wound Recheck / Suture Removal