Generation of the Elctrocardiogram

Question 1

Electrocardigram

Answer 1

Diagnostic test that records the electrical activity of the heart as a graphic display on graph paper = trace

Question 2

Trace

Answer 2

P wave = Atria
QRS wave = Ventricle Depolarization
T wave = Ventricle Repolarization

Question 3

1 cm = ?

Answer 3

1 mV

Question 4

Speed

Answer 4

50 mm/sec
1mm = 0.02 sec

25 mm/sec
1 mm = 0.04 sec

1 or the other