Chap 7 Heart Blocks

Question 0

This is characterized by a repeating pattern that consists of conducted p waves and then a P wave that isn’t conducted.

Answer 0

Second-degree AV block type I

Question 1

A delay or interruption in impulse conduction from the atria to the ventricles that occurs as a result of a transient or permanent anatomic or functional impairment best describes a(n):

Answer 1

Atrioventricular block

Question 2

In _______, the conduction delay occurs below the AV node, within the His-Purkinje system.

Answer 2

Second-degree AV block type II

Question 3

This may be used to describe 3 or more consecutive P waves that are not conducted

Answer 3

Advanced 2nd-degree AV block

Question 4

With ______ there is a complete block in conduction of impulses between the atria and the ventricles.

Answer 4

3rd-degree AV block

Question 5

What is a disruption on impulse conduction from the bundle of His through either the right or left bundle branch to the Purkinje fibers?

Answer 5

Bundle branch block

Question 6

Which of the following is a thin structure that is particularly vulnerable to disruptions on electrical impulse transmission ?

Answer 6

Anterior fascicles

Question 7

Once the presence of BBB is suspected, which of the following is probably the best single lead to use when determining whether the block affects the R or L bundle branch

Answer 7

V1

Question 8

The final portion of the QRS complex is referred to as ____?

Answer 8

SA node

Question 9

Patients experiencing _____ myocardial infarctions are most likely to develop bundle branch blocks.

Answer 9

Septal & Anteroseptal