1-12

Question 1

errors in an electrocardiograph that shows as a streak or streak or mark on the page

Answer 1

artifacts

Question 2

abnormally slow heart rate of 60beats per minute or less

Answer 2

bradycardia

Question 3

the sequence of contraction and relaxation that makes up a complete heartbeat

Answer 3

cardiac cycle

Question 4

blockage of the arteries that supply the heart muscle with oxygen and nutrients, usually due to excess cholesterol

Answer 4

coronary artery disease (CAD)

Question 5

a peak or valley on an electrocardiogram

Answer 5

deflection

Question 6

the los of polarity, or opposite charges inside and outside; the electrical impulse that initiates a chain reaction resulting in contraction

Answer 6

depolarization

Question 7

tracing or recording of electrical activity as it moves through the heart k

Answer 7

electrocardiogram

Question 8

the process by which a graphic pattern is created to reflect the electrical impulses generated by the heart as it pumps

Answer 8

electrocardiography

Question 9

sensors that detect electrical activity

Answer 9

electrodes

Question 10

abnormal heart rhythm that sounds like a galloping horse

Answer 10

gallops

Question 11

an ECG device that includes a small portable recorder worn around a patients waist or on shoulder strap to record the heart’s electrical activity usually over a 24 hour period

Answer 11

holter monitor

Question 12

recording of the heart activity from several angles around the heart

Answer 12

leads