Is angina life threatening?

Is angina life threatening?

Angina signals hert disease, the number one killer in the industrialized world. Two to four percent of te people with angina die from heart disease. More than 7 million people in the United States suffer with angina. An estimated 350, 000 new cases occur each year. Of this number, approximately 1 million will have invasive procedures; 6 million patients who are maintained on drug therapy live in varying degrees of discomfort. Angina is frequently crippling and disabling; patients are often unable to maintain their lifestyles.
　