Instable angia us a qarning sign that a patiwnta cardiac diaease has what

Unstable angina is a warning sign that a patient's cardiac disease has worsened or changed. A patient is likely to experience unstable angina when severe narrowing due to blood clot or spasm of the coronary artery occurs. And this can be a sign that the patient might have a heart attack soon.

not 100% sure but i'm gonna say it's

retains water

fine grained

and is loose

your welcome

brainliest? (;