Unstable angina increases the risk of a heart attack. A lack of blood flow is the most common trigger of this issue, which can cause unexpected attacks of pain. It's distinguished from stable angina by the fact that chest pain occurs even when a person isn't exerting themselves, or is brought on by light exertion. Unstable angina is an emergency that requires immediate medication attention.

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.