Font size
WorksheetsEKG Interpretation: Bundle 1
Total questions: 27
Worksheet time: 14mins
What area of the heart’s electrical conduction is known as the “pacemaker” of the heart?
SA node
AV node
Purknije Fibers
Bundle of His
What area of the heart is responsible for the delay of conduction between the artrium and ventricles?
AV node
Bundle of His
Bachmann’s Bundle
Right Bundle Bunch
True or False: Bachmann’s bundle is located in the left artrium.
True
False
True or False: Depolarization of the heart muscle is when the muscle contracts and repolarization is when the heart muscle rests.
True
False
The SA node fires at a rate of?
80-90 bpm
40-60 bpm
60-100 bpm
60-80 bpm
On an EKG the P-wave represents what area of the heart?
Left bundle branch
AV node
Bachmann’s Bundle
SA node
What part of the heart’s electrical system is known as the “gatekeeper”?
AV node
Gap Junction
Tetany
SA node
What area of the heart forms the QRS part on an EKG?
Purkinje fibers
Left and right bundles
AV node
SA node
True or False: The SA node is located in the Left atrium.
True
False
What is the correct sequence of electrical conduction of the heart?
SA node, internodal pathways, AV node, Bundle of His, Right and Left Bundle Branch, Purkinje fibers
AV node, internodal pathways, SA node, Bundle of His, Right and Left Bundle Branch, Purkinje fibers
SA node, internodal pathways, AV node, Purkinje Fibers, Right and Left Bundle Branch, Bundle of His
None of the options are correct
What area on diagram 1 represents atrial contraction?
1
2
3
4
What area on diagram 1 represents the T wave?
3
4
2
1
On diagram 1, the area number 3 is pointing at represents?
Atrial contraction
Ventricle contraction
Atrial relaxation
Ventricle relaxation
On diagram 2, the area labeled with the number 8 represent?
ST segment
PR interval
RT interval
J-point
On diagram 2, what area is labeled with the number 6?
QRT interval
PR interval
ST segment
Q-wave
What area on diagram 2 represents ventricular repolarization (resting of the ventricles)?
QRS interval
PR interval
ST segment
T-wave
On diagram 2, what area is labeled with the number 7?
QRS complex
J-point
PR interval
S-wave
On diagram 1 number 9, what is this area known as?
QRS complex
J-point
U wave
S-wave
True or False: A U-wave may be present after the T-wave but this is not very common.
True
False
What is the measurement of the QRS complex?
0.16 seconds
0.12 seconds
0.04 seconds
0.02 seconds
What is the measurement of the QRS complex?
0.04
0.02 seconds
0.06 seconds
1 seconds
What is the measurement of the QRS complex?
0.14 seconds
0.04 seconds
0.12 seconds
1 second
What is the measurement of the PR interval
(first one)
0.04 seconds
1 second
0.08 seconds
0.02 seconds
What is the measurement of the PR interval
0.04 seconds
0.08 seconds
1 second
0.16 seconds
What is the measurement of the PR interval and is this abnormal or normal?
0.04 seconds
0.16 seconds
0.28 seconds
normal
abnormal
30 Large squares are equal to ____ seconds
1
5
0.04
6
What area on diagram 2 represents ventricle contraction?
7
6
8
6&7
