Lesson 4.2 The Heart at Work - Key Terms Flashcards Preview

Biomedical Science > Lesson 4.2 The Heart at Work - Key Terms > Flashcards

Flashcards in Lesson 4.2 The Heart at Work - Key Terms Deck (9):
1

Heart Rate

A measure of cardiac activity usually expressed as the number of beats per minute.

2

Blood Pressure

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.

3

Systolic Pressure

The pressure generated by the left ventricle during systole.

4

Diastolic Pressure

Blood pressure that remains between heart contractions.

5

Sphygmomanometer

An instrument for measuring blood pressure and especially arterial blood pressure.

6

Hypertension

An abnormally high blood pressure.

7

Electrocardiogram (EKG)

A measurement of heart electrical activity.

8

Pulse

The rhythmic expansion and recoil of arteries resulting from heart contraction; can be felt from the outside of the body.

9

Cardiology

The study of the heart and its action and diseases.