Have a Heart power point (part 2) Flashcards Preview

Circulatory System test (MVCTC VS) > Have a Heart power point (part 2) > Flashcards

Flashcards in Have a Heart power point (part 2) Deck (15):
1

Ventricles 

the inferior chambers of the heart 

2

Septum 

the separating wall of the heart 

3

The 4 valves of the heart 

- right atrioventricular valve 

- pulmonary semilunar valve 

- left atrioventricular valve

- aortic semilunar valve 

4

Right artioventricular valve aka 

tricuspid valve 

5

Left atrioventricular valve aka

mitral valve 

bicuspid valve 

6

The rate and regularity of the heart rhythm is 

- influenced by the electrical impulses from nerves that stimulate the myocardium 

Heart rate 

 

 

7

Cardiac output 

the volume of blood pumped by the heart per unit time 

8

Systole 

contraction 

9

Bradycardia 

abnormally slow heartbeat 

10

Tachycardia

abnormally fast heartbeat 

11

Diastole 

relaxation 

12

Arrhythmia 

abnormal heart rhythm 

(aka dysrhythmia) 

13

Electrocardiogram (ECG/EKG)

the record of the electrical activity of the myocardium 

- tracing that shows the changes in voltage and polarity of the heart over time 

14

Auscultation 

listening to body sounds with a stethoscope 

15

Murmur 

abnormal sound associated with turbulent blood flow