The New York Heart Association ... the Canadian classification of stable angina pectoris should be used, and the Braunwald classification of unstable angina pectoris should be used. ...

But if you have unstable angina, you should not fly and really contact your doctor that same day. Popular Reads. Malcolm-Jamal Warner, former 'Cosby Show' star, dead at 54. Jul 21, 6:41 PM.