Fatigue
Fatigue is one of the most common and challenging symptoms in primary care. It differs from simply feeling sleepy.
The Diagnostic Framework
Physicians categorize fatigue into three main buckets:
- Physiologic: Overwork, lack of sleep, acute stress.
- Psychologic: Depression, anxiety, chronic stress.
- Organic (Medical): Anemia, thyroid disorders, heart failure, chronic infections.
Interactive Tool: Fatigue Etiology Analyzer
Common Tests Ordered
- CBC: To check for anemia.
- TSH: To check thyroid function.
- HbA1c: To screen for diabetes.
Frequently Asked Questions
Is this a medical diagnosis?
No, Dr. Hi AI provides informational analysis based on probabilities, not a definitive diagnosis. Always consult a physician.
How accurate is the system?
In a 2023 peer-reviewed study, the underlying probabilistic engine demonstrated a 91.5% top-3 diagnostic accuracy against standardized clinical vignettes.
Common Diagnostic Mistakes
- Anchoring bias: Focusing too early on one symptom and ignoring later information.
- Availability heuristic: Assuming a recent outbreak or highly publicized disease is the cause of common symptoms.
Your Natural Next Step
If you are experiencing severe symptoms, go to the nearest emergency room. Otherwise, Start a free AI symptom check.