This has an intrinsic rate of 60-100 beats per minute.
What is the SA node?
100
Refer to 1A
What is the P wave?
100
The P wave represents this.
What is atrial depolarization?
100
V1
What is the 4th intercostal space to the right of the sternal border?
100
These leads look at the apical part of the heart.
What are leads V5-V6?
200
This has an intrinsic rate of 40-60 beats per minute.
What is the AV node?
200
Refer to 1C
What is the Q wave?
200
The QRS complex represents this.
What is ventricular depolarization?
200
V2
What is the 4th intercostal space to the left of the sternal border?
200
These leads look at the lateral part of the heart.
What are leads I and aVL? or
What are leads V5-V6?
300
This has an intrinsic rate of 20-40 beats per minute.
What are the purkinje fibers?
300
Refer to 1E
What is S wave?
300
The U wave represents this.
What is repolarization of the purkinje fibers?
300
V4
What is the 5th intercostal space at the mid clavicular line?
300
These leads look at the inferior part of the heart.
What are leads II, III, and aVF?
400
This is a term used when an impulse starts in the SA node, and the heart beat per minute is greater than 100.
What is sinus tachycardia?
400
Refer to 1G
What is T wave?
400
The T wave represents this.
What is ventricular repolarization?
400
V6
What is the 5th intercostal space at the mid axillary line?
400
These leads look at the anterior part of the heart.
What leads V1-V4?
500
This is a term used when an impulse starts in the SA node, and the heart beat per minute is less than 60.
What is sinus bradycardia?
500
Refer to 1H
What is the U wave?
500
The PR interval represents this.
What is the time it takes for the signal to leave the SA node and reach the purkinje fibers/ventricles?
500
V5
What is in the 5th intercostal space at the anterior axillary line?
500
These leads look at the part of the heart that may show conduction problems through the AV node, bundle of His, and the right and left bundle branches.