21.   Unstable angina, which is chest pain associated with heart disease, is more common than the complications associated with angioplasty.

22.   When it does, it is called unstable angina, and a change in therapy may be indicated.

23.   Women with heart disease get fewer cardiac angiograms and catheter procedures than men, and they are more likely to die from heart attacks and unstable angina.

24.   American experts said the symptoms they described backed up that diagnosis, and pointed to a type of ischemic heart disease called unstable angina.

25.   He is believed to be suffering from unstable angina, in which narrowing of the arteries diminishes the blood supply to the heart.

26.   Russian President Boris Yeltsin appears to have a quite common condition called unstable angina that signals a heart attack risk, American heart experts said Tuesday.

27.   Stenocardia is also known as unstable angina.

28.   Symptoms described by the Kremlin indicate Yeltsin probably has a form of heart disease called unstable angina, in which narrowing of arteries diminishes blood supply to the heart.

29.   These are patients with severe or unpredictable chest pain, called unstable angina, or mild heart attacks.

30.   Unstable angina carries a risk of heart attacks, irregular heart rhythms and congestive heart failure.