Arteries: Blood vessels that carry blood away from the heart.
Blood pressure: The pressure of the blood on the walls of the arteries, dependent on the energy of the heart action, the elasticity of the walls of the arteries, and the volume and viscosity (resistance) of the blood.
Blood vessel: Any channel that carries blood; includes arteries, arterioles,capillaries, venules, and veins.
Congestive heart failure: A condition in which the heart is unable to pump blood at an adequate rate or in adequate volume.
mmHg: Millimeter of mercury, a unit of pressure equal to that exerted by a column of mercury at 0 degrees C one millimeter high at sea level.
Pre-eclampsia: An illness of pregnancy characterized by high blood pressure, swelling or edema, and proteinuria.