Domain 5 (EKG)

Question 1

What info does the ECG provide?

Answer 1

Gives the physicians data about the health of the pts heart

Question 2

The _____ is a double membrane that covers the outside of the heart and contains a lubricating fluid that reduces friction as the heart beats.

Answer 2

Pericardium

Question 3

The _____ is the middle layer, and the thickest. It is made of muscle tissue and pumps blood through the system.

Answer 3

Myocardium

Question 4

The _____ is a smooth layer of cells that lines the inside of the heart and blood vessels and allow blood to flow smoothly.

Answer 4

endocardium

Question 5

What is the septum?

Answer 5

Separates heart into the left and right

Question 6

What are the 2 top chambers called?

Answer 6

Atria

Question 7

what are the 2 bottom chambers called?

Answer 7

Ventricles

Question 8

What is the function of the heart valves?

Answer 8

prevents blood from going backward

Question 9

What is the flow of blood between the heart to the lungs?

Answer 9

Pulmonary Circulation

Question 10

What is the flow of blood between the heart and the body?

Answer 10

Systemic Circulation

Question 11

What causes the heart to contract?

Answer 11

electrical impulses

Question 12

Can the heart stimulate its own contractions?

Answer 12

Yes

Question 13

Do the ventricles or the atria contract first?

Answer 13

The atria

Question 14

What is another name for a heartbeat?

Answer 14

Cardiac cycle

Question 15

What is a systole?

Answer 15

Contraction phase

Question 16

What is a diastole?

Answer 16

Relaxation phase

Question 17

What are the special tissues that transmit electrical impulses in the heart?

Answer 17

SA node
AV node
Bundle of his
Purkinje fibers

Question 18

What is the leading cause of dealth in American adults?

Answer 18

Heart disease

Question 19

When does a heart attack occur?

Answer 19

When blood flow to the heart is blocked

Question 20

What is cardiac compromise?

Answer 20

Abnormal functioning of the heart

Question 21

What is cardiac arrest?

Answer 21

The heart malfunctions and stops beating unexpectedly

Question 22

What is arteriosclerosis?

Answer 22

The hardening of blood vessels due to the buildup of fatty plaques

Question 23

What is coronary artery disease/coronary heart disease?

Answer 23

When arteriosclerosis affects the coronary heart disease

Question 24

What is myocardial ischemia?

Answer 24

a reduction in blood flow to the heart

Question 25

What is acute coronary syndrome?

Answer 25

A serious heart condition

Question 26

What is angina?

Answer 26

Condition marked by severe pain in the chest that often spreads to the shoulders, arms, and neck.

Question 27

What is levines sign?

Answer 27

The clenching of a fist over the center of the chest.

Question 28

What are the symptoms of cardiac compromise?

Answer 28

- chest discomfort -shortness of breath -abnormal vitals

Question 29

What are the 3 high-risk groups that often present with atypical symptoms?

Answer 29

Women, the elderly, and diabetics

Question 30

What does an ECG measure

Answer 30

How much electrical activity is produced by the heart

Question 31

The _____ changes the impulses into mechanical motion

Answer 31

galvanometer

Question 32

what part records the waves of the ECG cycle

Answer 32

the stylus

Question 33

What is the advantage of a multi-channel ECG machine?

Answer 33

can record more than one lead at a time-speed

Question 34

Why are all tracing papers standard?

Answer 34

so doctors throughout the world can all head the ECG

Question 35

What is an artifact?

Answer 35

Something that creates interference on an ECG

Question 36

What are four common artifacts?

Answer 36

somatic tremor, AC interference, wandering baseline, interrupted baseline

Question 37

How can you recognize a pacemaker rhythm

Answer 37

when the pacemaker fires it makes a small spike

Question 38

What can be used to help figure out the source of interference?

Answer 38

Lead 1,2,3

Question 39

What electrodes are placed first?

Answer 39

V2, V4

Question 40

What is NSR

Answer 40

normal sinus rhythm

Question 41

What is a normal sinus rhythm?

Answer 41

Normal rhythm 60-80 bpm

Question 42

What is paroxysmal atrial tachycardia?

Answer 42

PAT A series of early beats in the atria speeds up the heart rate 160-250

Question 43

What is atrial fibrillation? what is the BPM?

Answer 43

The contractions of the atria are incompetent and extermely rapid 300-500 bpm