Question 1

The distance between two consecutive P waves is referred to as the:

Accepted Answer

A)  PR interval. 
B)  R-R interval. 
C)  P-P interval. 
D)  ST segment. 
A)  PR interval. 
B)  R-R interval. 
C)  P-P interval. 
D)  ST segment. C

Question 2

The rhythm is called slightly irregular when:

Accepted Answer

A)  the P-P intervals and R-R varying just somewhat. 
B)  there is a cyclical pattern to the irregularity. 
C)  the rhythm seems to abruptly start and stop. 
D)  the rhythm varies from beat to beat. 
A)  the P-P intervals and R-R varying just somewhat. 
B)  there is a cyclical pattern to the irregularity. 
C)  the rhythm seems to abruptly start and stop. 
D)  the rhythm varies from beat to beat. A

Question 3

If the distance between the R-R intervals differs the ventricular rhythm is regular.

Accepted Answer

A) True 
 B)False  False

Question 4

The term ________ is used to describe a dysrhythmia that has a sudden, rapid onset.

Accepted Answer

A)  unexpected 
B)  reentrant 
C)  reflex 
D)  paroxysmal 
A)  unexpected 
B)  reentrant 
C)  reflex 
D)  paroxysmal

Question 5

Irregular rhythms always indicate the presence of a very serious condition.

Accepted Answer

A) True 
 B)False

Question 6

A pacemaker that changes location from site to site with each heart beat produces an occasionally irregular rhythm.

Accepted Answer

A) True 
 B)False

Question 7

The distance between consecutive R waves should:

Accepted Answer

A)  vary from beat to beat. 
B)  be the same. 
C)  get progressively longer. 
D)  vary with respirations. 
A)  vary from beat to beat. 
B)  be the same. 
C)  get progressively longer. 
D)  vary with respirations.

Question 8

The second step of analyzing an ECG rhythm is to:

Accepted Answer

A)  determine the heart rate. 
B)  evaluate the QRS complexes. 
C)  determine the regularity. 
D)  examine the P waves. 
A)  determine the heart rate. 
B)  evaluate the QRS complexes. 
C)  determine the regularity. 
D)  examine the P waves.

Question 9

The dysrhythmia that produces a totally irregular rhythm occurs due to:

Accepted Answer

A)  a pause or arrest in the discharge of the SA node. 
B)  rapid, chaotic firing of the atria. 
C)  a pacemaker site that changes from beat to beat. 
D)  a blockage of the AV node. 
A)  a pause or arrest in the discharge of the SA node. 
B)  rapid, chaotic firing of the atria. 
C)  a pacemaker site that changes from beat to beat. 
D)  a blockage of the AV node.

Question 10

The areas of the ECG tracing which are the same and against which we can measure the other R-R intervals are called the:

Accepted Answer

A)  foundation. 
B)  rhythm. 
C)  baseline. 
D)  normal aspect. 
A)  foundation. 
B)  rhythm. 
C)  baseline. 
D)  normal aspect.

Question 11

Frequent pauses in the firing of the SA node can:

Accepted Answer

A)  lead to a bradycardic rate. 
B)  improve cardiac output 
C)  produce an occasionally irregular rhythm 
D)  be recognized by a regular pulse rate 
A)  lead to a bradycardic rate. 
B)  improve cardiac output 
C)  produce an occasionally irregular rhythm 
D)  be recognized by a regular pulse rate

Question 12

A pause or arrest of the SA node:

Accepted Answer

A)  is seen as a regular rhythm. 
B)  occurs when the SA node initiates an early impulse. 
C)  produces a sudden absence of a P wave, QRS complex and T wave in an otherwise normal looking rhythm. 
D)  produces a shorter than normal R-R interval because of the dropped beat. 
A)  is seen as a regular rhythm. 
B)  occurs when the SA node initiates an early impulse. 
C)  produces a sudden absence of a P wave, QRS complex and T wave in an otherwise normal looking rhythm. 
D)  produces a shorter than normal R-R interval because of the dropped beat.

Question 13

A sudden, rapid acceleration in the heart rate can produce an irregularity in the rhythm.

Accepted Answer

A) True 
 B)False

Question 14

Your 50 year old patient has a heart rate of 110 BPM. Analysis of the ECG reveals an irregularly irregular rhythm with a chaotic looking baseline preceding each narrow QRS complex. This type of irregularity is called ________ irregularity.

Accepted Answer

A)  totally 
B)  patterned 
C)  occasional 
D)  paroxysmal 
A)  totally 
B)  patterned 
C)  occasional 
D)  paroxysmal

Question 15

When the rhythm appears mostly regular but from time to time you see an area where it is irregular it is called __________ irregular.

Accepted Answer

A)  regularly 
B)  totally 
C)  very 
D)  occasionally 
A)  regularly 
B)  totally 
C)  very 
D)  occasionally

Question 16

Your 52 year old patient is complaining of chest pain and has a heart rate of 80 BPM. Analysis of the ECG reveals an irregular rhythm with several wide, bizarre-looking QRS complexes interrupting the underlying rhythm which has one upright P wave preceding each narrow QRS complex. This type of irregularity is called ________ irregularity.

Accepted Answer

A)  totally 
B)  patterned 
C)  frequent 
D)  slight 
A)  totally 
B)  patterned 
C)  frequent 
D)  slight

Question 17

Your 29 year old patient has a heart rate of 76 BPM. Analysis of the ECG reveals an irregular rhythm with one upright P wave preceding each narrow QRS complex. The heart rate seems to speed up and slow down on a cyclical basis. This type of irregularity is called ________ irregularity.

Accepted Answer

A)  totally 
B)  patterned 
C)  occasional 
D)  paroxysmal 
A)  totally 
B)  patterned 
C)  occasional 
D)  paroxysmal

Question 18

The paper and pen method of determining heart regularity:

Accepted Answer

A)  is simple and quick. 
B)  is the most accurate 
C)  requires the use of ECG tracing paper. 
D)  requires you to count the number of small squares between consecutive QRS complexes. 
A)  is simple and quick. 
B)  is the most accurate 
C)  requires the use of ECG tracing paper. 
D)  requires you to count the number of small squares between consecutive QRS complexes.

Question 19

Patterned irregularity is where the irregularity repeats over and over in a cyclic fashion.

Accepted Answer

A) True 
 B)False

Question 20

When the atrial to ventricular conduction ratio changes in various dysrhythmias it:

Accepted Answer

A)  results in the rhythm being regularly irregular. 
B)  produces a regular rhythm. 
C)  is called totally irregular. 
D)  changes the distance between the R-R intervals producing an irregular rhythm. 
A)  results in the rhythm being regularly irregular. 
B)  produces a regular rhythm. 
C)  is called totally irregular. 
D)  changes the distance between the R-R intervals producing an irregular rhythm.

Exam 5: Regularity

The distance between two consecutive P waves is referred to as the:

The rhythm is called slightly irregular when:

If the distance between the R-R intervals differs the ventricular rhythm is regular.

The term ________ is used to describe a dysrhythmia that has a sudden, rapid onset.

Irregular rhythms always indicate the presence of a very serious condition.

A pacemaker that changes location from site to site with each heart beat produces an occasionally irregular rhythm.

The distance between consecutive R waves should:

The second step of analyzing an ECG rhythm is to:

The dysrhythmia that produces a totally irregular rhythm occurs due to:

The areas of the ECG tracing which are the same and against which we can measure the other R-R intervals are called the:

Frequent pauses in the firing of the SA node can:

A pause or arrest of the SA node:

A sudden, rapid acceleration in the heart rate can produce an irregularity in the rhythm.

Your 50 year old patient has a heart rate of 110 BPM. Analysis of the ECG reveals an irregularly irregular rhythm with a chaotic looking baseline preceding each narrow QRS complex. This type of irregularity is called ________ irregularity.

When the rhythm appears mostly regular but from time to time you see an area where it is irregular it is called __________ irregular.

Your 29 year old patient has a heart rate of 76 BPM. Analysis of the ECG reveals an irregular rhythm with one upright P wave preceding each narrow QRS complex. The heart rate seems to speed up and slow down on a cyclical basis. This type of irregularity is called ________ irregularity.

The paper and pen method of determining heart regularity:

Patterned irregularity is where the irregularity repeats over and over in a cyclic fashion.

When the atrial to ventricular conduction ratio changes in various dysrhythmias it:

Anatomy and Electrophysiology of the Heart

The Electrocardiogram

Analyzing the Electrocardiogram

Heart Rate

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 Atrial 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

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