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Angina Complications

Heart tissue sustains damage within 30 minutes of being deprived of oxygen. A blood clot that completely blocks blood flow in a coronary artery and does not at least partially dissolve will cause heart attack

Untreated chronic stable angina may progress to unstable angina, an acute coronary syndrome that requires immediate medical attention to prevent the development of


severe arrhythmias (i.e., irregular heart rhythm),
heart attack,
or sudden cardiac death...Read the full article