ACE inhibitor beta-blocker antiplatelet agent CCB To gain some relief from angina pain, Mark is taking medicines that prevent calcium movement into the heart cells. arrowRight Doctors have diagnosed Denis with thrombosis. He is taking medicines that prevent the formation of blood clots by preventing the platelets from aggregating. arrowRight Keira is a hypertension patient. She is on certain medicines that relax and expand the blood vessels and decrease the blood volume. arrowRight Phil’s doctor prescribed him a medicine that would help lower his heart rate. arrowRight