Unstable Angina Directory
Unstable angina is characterized by a new onset of chest pain or an increase in frequency or severity of angina that in some cases may be a sign of an impending heart attack. This type of chest pain usually is brought on by exertion and is relieved with rest. Unstable angina requires immediate medical attention and comprehensive testing for possible underlying coronary artery disease. Follow the links below to find WebMD's comprehensive coverage about how unstable angina is caused, how to treat it, and much more.
Heart Attack and Unstable Angina-Preventing Another Heart Attack
Once you've had a heart attack, your biggest concern will probably be that you could have another one. Taking your medicines as directed will be an important part of preventing another heart attack. Medicines commonly prescribed after a heart attack include drugs to:Prevent blood clots.Decrease the work of your heart.Improve your heart’s pumping ability.Lower cholesterol.Treat irregular ...
Chest Pain Treatment
Find out from WebMD what to do if you have chest pain, or angina, and what to expect if you go to the emergency room.
Cardiac Perfusion Scan
A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and during exercise. It is often done to find out what may be causing chest pain.
Heart Attack and Unstable Angina-Cause
The major underlying cause of unstable angina and heart attack is coronary artery disease (CAD). Coronary artery disease occurs when plaque builds up over years inside your coronary arteries and reduces blood flow to the heart muscle. In many people, coronary artery disease begins in adolescence and gradually develops over a lifetime.High cholesterol, high blood pressure, and smoking damage your .