Bundle Branch Block Quiz Part 5
Identify the following bundle branch blocks
1.
2.
3.
4.
5.
6.
7.
Answers
1.
In the left leads I, V5, and V6 there are wide monophasic R waves.
2.
In the right lead, V1, there is a wide, notched, QRS complex.
3.
In lead I and V6 there are wide QRS complexes. The complex in V6 has a RSR pattern.
4.
In lead I and V6 there are wide QRS complexes. In lead V6 the terminal down stroke of the QRS complex is slurred.
5.
The right, V1, lead shows a RSR pattern typical of a right bundle branch block
6.
In V1 there is a RSR pattern
7.
The QRS complex is greater that 0.12 sec. There are no specific characteristics that would identify this as either a right or left bundle branch block.
1.
4.
7.
Answers
1.
|
| Left bundle branch block |
In the left leads I, V5, and V6 there are wide monophasic R waves.
2.
|
| Right bundle branch block |
In the right lead, V1, there is a wide, notched, QRS complex.
3.
|
| Left bundle branch block |
In lead I and V6 there are wide QRS complexes. The complex in V6 has a RSR pattern.
4.
|
| Left bundle branch block |
In lead I and V6 there are wide QRS complexes. In lead V6 the terminal down stroke of the QRS complex is slurred.
5.
|
| Right bundle branch block |
The right, V1, lead shows a RSR pattern typical of a right bundle branch block
6.
|
| Right bundle branch block |
In V1 there is a RSR pattern
7.
|
| Non-specific intraventricular conduction delay |
The QRS complex is greater that 0.12 sec. There are no specific characteristics that would identify this as either a right or left bundle branch block.
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