Level 1: Fatigue – Chief Complaint: Expert Panel DDX

How does your differential compare with the experts?

What questions will comprise your initial history?

Experts’ DDX:

1. Insomnia
   1. Physiologic
   2. Psychiatric (depression or anxiety)
2. Parasomnia
   1. Sleep cycle disorders
   2. Sleep apnea
3. Metabolic causes
   1. Hypothyroid
   2. Diabetes
   3. Adrenal/pituitary insufficiency
4. Renal
   1. Insufficiency
   2. Failure
5. Medication/substance use
6. Anemia
7. Malignancy
8. Infection
   1. Lyme disease
9. Cardiac
   1. Congestive heart failure
10. Pulmonary
    1. Chronic obstructive pulmonary disease
11. Fibromyalgia
12. Rheumatologic
    1. Lupus