4.2 The Heart at Work Key Terms Flashcards
1
Q
Heart Rate
A
A measure of cardiac activity. Beats per minute
2
Q
Blood Pressure
A
Pressure exerted by the blood upon the walls of the blood vessels, expressed in millimeters of mercury
3
Q
Systolic Pressure
A
The pressure generated by the left ventricle during systole
4
Q
Diastolic Pressure
A
Blood pressure that remains between heart contractions.
5
Q
Sphygmomanometer
A
An instrument for measuring blood pressure and especially arterial blood pressure.
6
Q
Hypertension
A
An abnormally high blood pressure.
7
Q
Electrocardiogram (EKG)
A
A measurement of heart electrical activity
8
Q
Pulse
A
The rhythmic expansion and recoil of arteries resulting from heart contraction; can be felt from the outside of the body.
9
Q
Cardiology
A
The study of the heart and its action and diseases.
