The Heart At Work Flashcards
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.
Blood Pressure
The study of the heart and it’s action and diseases
Cardiology
The stage of the heart cycle in which the heart muscle is relaxed, allowing the chambers to fill with blood
Diastole
Blood pressure that remains between heart contractions
Diastolic Pressure
A measurement of heart electrical activity.
Electocardiogram(EKG)
A measure of cardiac activity usually expressed as the number of beats per minute
Heart rate
An abnormally high blood pressure
Hypertension
An electrical device or stimulating or steadying the heartbeat or reestablishing the rhythm of an arrested heart
Pacemaker
The rhythmic expansion and recoil of arteries resulting from heart contraction; can be felt from the outside of the body
Pulse
A specialized mass of conducting cells located at the atrioventricular junction in the heart
Atrioventricular Node
