Question 1

Identify the following rhythm (lead II): ____________________

Accepted Answer

Junctional escape rhythm at 52 beats/min with elevated T waves

Question 2

Identify the following rhythm (lead II): ____________________

Accepted Answer

Narrow-QRS tachycardia (probably junctional tachycardia)at 138 beats/min

Question 3

Identify the following rhythm (lead II): ____________________

Accepted Answer

Accelerated junctional rhythm at 83 beats/min

Question 4

Identify the following rhythm (lead II): ____________________

Accepted Answer

Sinus rhyt

Question 5

Identify the following rhythm (lead II): ____________________

Accepted Answer

Junctional bradycard

Question 6

The AV junction consists of the AV node and the nonbranching portion of the bundle of His.

Accepted Answer

A) True 
 B)False

Question 7

Depending on the severity of the patient's signs and symptoms,management of slow rhythms originating from the AV junction may require intervention including _____.

Accepted Answer

A)  defibrillation 
B)  intravenous atropine 
C)  synchronized cardioversion 
D)  vagal maneuvers or adenosine,or both 
A)  defibrillation 
B)  intravenous atropine 
C)  synchronized cardioversion 
D)  vagal maneuvers or adenosine,or both

Question 8

Common causes of junctional dysrhythmias may include acute coronary syndromes and _____.

Accepted Answer

A)  hyperthyroidism 
B)  hypovolemia 
C)  digitalis toxicity 
D)  hypoxia 
A)  hyperthyroidism 
B)  hypovolemia 
C)  digitalis toxicity 
D)  hypoxia

Question 9

In a junctional rhythm viewed in lead II,where is the location of the P wave on the ECG if atrial depolarization precedes ventricular depolarization?

Accepted Answer

A)  Before the QRS complex 
B)  During the QRS complex 
C)  After the QRS complex 
A)  Before the QRS complex 
B)  During the QRS complex 
C)  After the QRS complex

Question 10

Identify the following rhythm (lead II): ____________________

Accepted Answer

Junctional rhythm at

Question 11

Complete the following ECG criteria for an accelerated junctional rhythm:
 Rlythm_________________________________________________________
Rate____________________________________________________________
P waves__________________________________________________________
PR interval__________________________________________________________
QRS duration________________________________________________________

Accepted Answer

None

Question 12

Identify the following rhythm (lead II).

Accepted Answer

A)  Sinus arrhythmia 
B)  Sinus rhythm with junctional escape beats 
C)  Sinus tachycardia with premature atrial complexes 
D)  Sinus tachycardia with premature junctional complexes 
A)  Sinus arrhythmia 
B)  Sinus rhythm with junctional escape beats 
C)  Sinus tachycardia with premature atrial complexes 
D)  Sinus tachycardia with premature junctional complexes

Question 13

A beat originating from the AV junction that appears later than the next expected sinus beat is called a(n)_____ _____ _____.

Accepted Answer

junctional

Question 14

List four reasons why the AV junction may assume responsibility for pacing the heart.

Accepted Answer

The AV junction may assume responsibilit

Question 15

Identify the following rhythm (lead II): ____________________

Accepted Answer

Sinus tachycardia at

Question 16

Identify the following rhythm (lead II): ____________________

Accepted Answer

Sinus rhythm at 70 beats/min w

Question 17

Which of the following medications increases heart rate by accelerating the SA node discharge rate and blocking the vagus nerve?

Accepted Answer

A)  Digitalis 
B)  Atropine 
C)  Amiodarone 
D)  Beta-blocker 
A)  Digitalis 
B)  Atropine 
C)  Amiodarone 
D)  Beta-blocker

Question 18

The atrioventricular (AV)junction consists of the _____.

Accepted Answer

A)  SA and AV nodes 
B)  AV node and the Purkinje fibers 
C)  AV node and nonbranching portion of the bundle of His 
D)  AV node,bundle of His,and the right and left bundle branches 
A)  SA and AV nodes 
B)  AV node and the Purkinje fibers 
C)  AV node and nonbranching portion of the bundle of His 
D)  AV node,bundle of His,and the right and left bundle branches

Question 19

Identify the following rhythm (lead II): ____________________

Accepted Answer

Sinus tachycardia at 136 beats

Question 20

Identify the following rhythm (lead II): ____________________

Accepted Answer

Sinus rhythm at 94 beats/min w

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

The AV junction consists of the AV node and the nonbranching portion of the bundle of His.

Depending on the severity of the patient's signs and symptoms,management of slow rhythms originating from the AV junction may require intervention including _____.

Common causes of junctional dysrhythmias may include acute coronary syndromes and _____.

In a junctional rhythm viewed in lead II,where is the location of the P wave on the ECG if atrial depolarization precedes ventricular depolarization?

Identify the following rhythm (lead II): ____________________

Complete the following ECG criteria for an accelerated junctional rhythm: Rlythm_ Rate P waves PR interval QRS duration

Identify the following rhythm (lead II).

A beat originating from the AV junction that appears later than the next expected sinus beat is called a(n)___ _ ___.

List four reasons why the AV junction may assume responsibility for pacing the heart.

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

Which of the following medications increases heart rate by accelerating the SA node discharge rate and blocking the vagus nerve?

The atrioventricular (AV)junction consists of the _____.

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

Anatomy and Physiology

Basic Electrophysiology

Sinus Mechanisms

Atrial Rhythms

Ventricular Rhythms

Heart Blocks

Pacemaker Rhythms

Introduction to the 12-Lead ECG

Post-Test

Filters

Exam 5: Junctional Rhythms

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

The AV junction consists of the AV node and the nonbranching portion of the bundle of His.

Depending on the severity of the patient's signs and symptoms,management of slow rhythms originating from the AV junction may require intervention including _____.

Common causes of junctional dysrhythmias may include acute coronary syndromes and _____.

In a junctional rhythm viewed in lead II,where is the location of the P wave on the ECG if atrial depolarization precedes ventricular depolarization?

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II).

A beat originating from the AV junction that appears later than the next expected sinus beat is called a(n)_____ _____ _____.

List four reasons why the AV junction may assume responsibility for pacing the heart.

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

Which of the following medications increases heart rate by accelerating the SA node discharge rate and blocking the vagus nerve?

The atrioventricular (AV)junction consists of the _____.

Identify the following rhythm (lead II): ____________________

Identify the following rhythm (lead II): ____________________

Anatomy and Physiology

Basic Electrophysiology

Sinus Mechanisms

Atrial Rhythms

Ventricular Rhythms

Heart Blocks

Pacemaker Rhythms

Introduction to the 12-Lead ECG

Post-Test

Filters

A beat originating from the AV junction that appears later than the next expected sinus beat is called a(n)___ _ ___.