What sort of problem is acute cardiovascular disease?

A general term: All diseases, including cardiovascular diseases, can be divided into acute (new) or chronic (on-going). A medical aphorism is "to treat acute problems acutely and chronic problems chronically". Think of the difference as a "sprint" vs a "marathon." urgent problems may require immediate attention, although not all acute cv disorders are serious.

Dangerous: The conception of actue cardiovascular disease is mostly a dangerous situation, such as unstable angina, acute myocardial infaction, hypertension crisis etc. It not handled in a timely manner, endanger life.