Medical Dictionary

unstable angina


Medical Definition of UNSTABLE ANGINA

:  angina pectoris characterized by sudden changes (as an increase in the severity or length of anginal attacks or a decrease in the exertion required to precipitate an attack) especially when symptoms were previously stable


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears