Exercise Intolerance
Exercise intolerance is reduced ability to perform physical activity at an expected level. Causes range from deconditioning to serious heart, lung, or metabolic disease.
Table of Contents
Causes
- Deconditioning
- Heart disease (failure, valve, ischemia)
- Lung disease (asthma, COPD, pulmonary hypertension)
- Anemia
- Thyroid disorders
- ME/CFS, long COVID
- Muscle or metabolic diseases
- Mitochondrial disorders
Evaluation
- Cardiopulmonary exercise testing
- ECG, echocardiogram
- Pulmonary function tests
- Blood tests
- Imaging as indicated
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.
References
- ACSM. Exercise Testing Resources.