Question 1

The heart rate associated with multifocal atrial tachycardia is ____, ____ beats per minute.

Accepted Answer

A)  60 to 100 
B)  300 to 350 
C)  100 to 250 
D)  60 to 150 
A)  60 to 100 
B)  300 to 350 
C)  100 to 250 
D)  60 to 150 C

Question 2

While in atrial tachycardia there is one P wave preceding each QRS complex, it is typically buried in the T wave of the preceding beat.

Accepted Answer

A) True 
 B)False  False

Question 3

Short bursts of the atrial tachycardia often result in severe cardiac output in normally healthy people.

Accepted Answer

A) True 
 B)False  False

Question 4

Supraventricular tachycardia includes all of the following except:

Accepted Answer

A)  Atrial tachycardia. 
B)  Junctional tachycardia. 
C)  Ventricular tachycardia. 
D)  Multifocal atrial tachycardia. 
A)  Atrial tachycardia. 
B)  Junctional tachycardia. 
C)  Ventricular tachycardia. 
D)  Multifocal atrial tachycardia.

Question 5

Atrial dysrhythmias:

Accepted Answer

A)  can lead to decreased cardiac output. 
B)  produce an increase in the strength of the atrial "kick." 
C)  seldom have a heart rate of greater than 160 beats per minute. 
D)  are often caused by excessive parasympathetic stimulation. 
A)  can lead to decreased cardiac output. 
B)  produce an increase in the strength of the atrial "kick." 
C)  seldom have a heart rate of greater than 160 beats per minute. 
D)  are often caused by excessive parasympathetic stimulation.

Question 6

Premature atrial complexes originate from the:

Accepted Answer

A)  SA node 
B)  atria 
C)  AV junction 
D)  Bundle of His 
A)  SA node 
B)  atria 
C)  AV junction 
D)  Bundle of His

Question 7

Dysrhythmias that originate above the ventricles are called supraventricular dysrhythmias.

Accepted Answer

A) True 
 B)False

Question 8

Patients experiencing ___________ may develop intra-atrial emboli predisposing the patient to systemic emboli-particularly stroke.

Accepted Answer

A)  multifocal atrial tachycardia 
B)  atrial flutter 
C)  atrial fibrillation 
D)  premature atrial complexes 
A)  multifocal atrial tachycardia 
B)  atrial flutter 
C)  atrial fibrillation 
D)  premature atrial complexes

Question 9

When every other beat is a PAC, it is called ______ PACs.

Accepted Answer

A)  unifocal 
B)  bigeminal 
C)  trigeminal 
D)  quadrigeminal 
A)  unifocal 
B)  bigeminal 
C)  trigeminal 
D)  quadrigeminal

Question 10

Atrial fibrillation has:

Accepted Answer

A)  a regular rhythm. 
B)  QRS complexes which appear wide and bizarre in configuration. 
C)  PR intervals of greater than 0.20 seconds. 
D)  an absence of discernible P waves. 
A)  a regular rhythm. 
B)  QRS complexes which appear wide and bizarre in configuration. 
C)  PR intervals of greater than 0.20 seconds. 
D)  an absence of discernible P waves.

Question 11

The characteristic heart rate associated with atrial tachycardia is ________ beats per minute.

Accepted Answer

A)  60 to 100 
B)  100 to 150 
C)  150 to 250 
D)  300 to 350 
A)  60 to 100 
B)  100 to 150 
C)  150 to 250 
D)  300 to 350

Question 12

Which of the following rhythms has a characteristic "saw tooth pattern?"

Accepted Answer

A)  Atrial fibrillation. 
B)  Wandering atrial pacemaker. 
C)  Atrial flutter. 
D)  Atrial tachycardia. 
A)  Atrial fibrillation. 
B)  Wandering atrial pacemaker. 
C)  Atrial flutter. 
D)  Atrial tachycardia.

Question 13

In which of the following dysrhythmias are "f" waves seen?

Accepted Answer

A)  Atrial fibrillation 
B)  Wandering atrial pacemaker 
C)  Atrial flutter 
D)  Atrial tachycardia 
A)  Atrial fibrillation 
B)  Wandering atrial pacemaker 
C)  Atrial flutter 
D)  Atrial tachycardia

Question 14

Wandering atrial pacemaker typically has a rate of _______ beats per minute.

Accepted Answer

A)  less than 80 
B)  20 to 40 
C)  40 to 60 
D)  60 to 100 
A)  less than 80 
B)  20 to 40 
C)  40 to 60 
D)  60 to 100

Question 15

Which of the following is the most distinguishing characteristic that helps identify wandering atrial pacemaker?

Accepted Answer

A)  Narrow QRS complexes. 
B)  A heart rate of between 120 and 150 beats per minute. 
C)  P waves that continually change in appearance. 
D)  PR intervals that are between 0.12 and 0.20 seconds in duration. 
A)  Narrow QRS complexes. 
B)  A heart rate of between 120 and 150 beats per minute. 
C)  P waves that continually change in appearance. 
D)  PR intervals that are between 0.12 and 0.20 seconds in duration.

Question 16

In atrial flutter the atrial to ventricular conduction ratio remains constant at a 2:1, 3:1, or 4:1 ratio.

Accepted Answer

A) True 
 B)False

Question 17

Atrial fibrillation has an atrial rate of ______ beats per minute.

Accepted Answer

A)  between 40 and 60 
B)  between 100 and 150 
C)  greater than 350 
D)  between 250 and 350 
A)  between 40 and 60 
B)  between 100 and 150 
C)  greater than 350 
D)  between 250 and 350

Question 18

Atrial rhythms include all of the following except:

Accepted Answer

A)  atrial flutter. 
B)  sick sinus syndrome. 
C)  atrial tachycardia. 
D)  wandering atrial pacemaker. 
A)  atrial flutter. 
B)  sick sinus syndrome. 
C)  atrial tachycardia. 
D)  wandering atrial pacemaker.

Question 19

Characteristics of atrial dysrhythmias include:

Accepted Answer

A)  wide, bizarre-looking QRS complexes. 
B)  longer than normal QT intervals. 
C)  T waves that take an opposite direction to the R wave. 
D)  P waves which appear different than sinus P waves. 
A)  wide, bizarre-looking QRS complexes. 
B)  longer than normal QT intervals. 
C)  T waves that take an opposite direction to the R wave. 
D)  P waves which appear different than sinus P waves.

Question 20

When the onset of atrial tachycardia is sudden and typically witnessed it is called:

Accepted Answer

A)  paroxysmal. 
B)  sustained. 
C)  multifocal. 
D)  supraventricular 
A)  paroxysmal. 
B)  sustained. 
C)  multifocal. 
D)  supraventricular

Exam 12: Origin and Clinical Aspects of Atrial Dysrhythmias

The heart rate associated with multifocal atrial tachycardia is ____, ____ beats per minute.

While in atrial tachycardia there is one P wave preceding each QRS complex, it is typically buried in the T wave of the preceding beat.

Short bursts of the atrial tachycardia often result in severe cardiac output in normally healthy people.

Supraventricular tachycardia includes all of the following except:

Atrial dysrhythmias:

Premature atrial complexes originate from the:

Dysrhythmias that originate above the ventricles are called supraventricular dysrhythmias.

Patients experiencing ___________ may develop intra-atrial emboli predisposing the patient to systemic emboli-particularly stroke.

When every other beat is a PAC, it is called ______ PACs.

Atrial fibrillation has:

The characteristic heart rate associated with atrial tachycardia is ________ beats per minute.

Which of the following rhythms has a characteristic "saw tooth pattern?"

In which of the following dysrhythmias are "f" waves seen?

Wandering atrial pacemaker typically has a rate of _______ beats per minute.

Which of the following is the most distinguishing characteristic that helps identify wandering atrial pacemaker?

In atrial flutter the atrial to ventricular conduction ratio remains constant at a 2:1, 3:1, or 4:1 ratio.

Atrial fibrillation has an atrial rate of ______ beats per minute.

Atrial rhythms include all of the following except:

Characteristics of atrial dysrhythmias include:

When the onset of atrial tachycardia is sudden and typically witnessed it is called:

Anatomy and Electrophysiology of the Heart

The Electrocardiogram

Analyzing the Electrocardiogram

Heart Rate

Regularity

P-Waves

QRS Complexes

PR Intervals

ST Segments, T-Waves, QT Intervals, and U-Waves

Overview of Dysrhythmias

Origin and Clinical Aspects of Sinus Node Dysrhythmias

Origin and Clinical Aspects of Junctional Dysrhythmias

Origin and Clinical Aspects of Ventricular Dysrhythmias

Origin and Clinical Aspects of AV Heart Blocks

Pacemakers and Implanted Cardioverter-Defibrillators

12 Lead ECGS

Atrial Enlargement and Ventricular Hypertrophy

Bundle Branch Block

Myocardial Ischemia and Infarction

Other Cardiac Conditions and the ECG

Putting It All Together

Filters

The heart rate associated with multifocal atrial tachycardia is , beats per minute.