cardiovascular system , is an organ system that permits blood to circulate and transport nutrientsoxygencarbon dioxidehormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseasesstabilize temperature and pH, and maintain homeostasis.

Heart Rate Problems: Should I Get a Pacemaker?

Topic guides reader through decision to get a pacemaker for heart rate problems. Provides general overview of what pacemakers are and what heart problems can be helped with pacemakers. Lists benefits and possible complications of getting a pacemaker.

Peripheral Arterial Disease: Should I Have Surgery?

Guides you through the decision to have surgery for peripheral arterial disease (PAD). Covers what PAD is and how it is treated. Covers risks. Lists reasons for and against having surgery. Includes interactive tool to help you decide.