Flashcards in Lesson 4.2 The Heart at Work - Key Terms Deck (9):
A measure of cardiac activity usually expressed as the number of beats per minute.
Pressure exerted by the blood upon the walls of the blood vessels, especially arteries, usually measured by means of a sphygmomanometer and expressed in millimeters of mercury.
The pressure generated by the left ventricle during systole.
Blood pressure that remains between heart contractions.
An instrument for measuring blood pressure and especially arterial blood pressure.
An abnormally high blood pressure.
A measurement of heart electrical activity.
The rhythmic expansion and recoil of arteries resulting from heart contraction; can be felt from the outside of the body.