Arrhythmias

Question 1

AN alteration of the normal site or rate of electrical impulse generation within the heart or an alteration of the impulse’s orderly spread through the cardiac conducting system

Answer 1

Arrhythmias

Question 2

Cardiac arrhythmias can occur in the presence or absence of __. Occasionally they are the first clinical manifestation of underlying __

Answer 2

heart disease
cardiac pathology

Question 3

General causes of cardiac arrhythmias include

Answer 3

Primary cardiovascular disease (ischemic injury - myocardial infarction)
COPD
Drugs (nicotine, caffeine)

Question 4

The normal sequence of electrical conduction begins in part of the atrium called the __ and then goes to the __

Answer 4

sinoatrial node (SA)
Atrioventricular node (AV)

Question 5

The electrical impulse starting in the SA node causes depolarization of the atria and produces the __

Answer 5

P wave

Question 6

The delay seen when the impulse reaches the AV node is shown by the

Answer 6

PR interval

Question 7

Depolarization of the ventricles is shown with the

Answer 7

QRS complex

Question 8

The re-polarization of the myocardial cells is reflected by the

Answer 8

T wave

Question 9

What are the 2 classifications of arrhythmias

Answer 9

tachyarrhythmia
Bradyarrhythmia

Question 10

100 bpm or more

Answer 10

tachyarrhythmia

Question 11

Heart rate below 60 bpm

Answer 11

bradyarrhythmia

Question 12

2 types of tachyarrhythmias

Answer 12

Supraventricular tachuarrhythmia (above AV node)
Ventricular tachyarrhythmia (below AV node)

Question 13

Most common arrhythmia fits into this category

Answer 13

Atrial fibrillation (AF) - Supraventricular tachyarrhythmias