unstable angina


unstable angina

noun

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

First Known Use of UNSTABLE ANGINA

1972

unstable angina

noun    (Medical Dictionary)

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

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