Junctional Rhythms and Complexities Quiz
Explore characteristics, causes, ECG findings, treatments, and complications of junctional rhythms in this quiz on electrocardiography.
#1
Which of the following is a characteristic of a junctional rhythm?
Regular rhythm
Originates in the SA node
Heart rate below 60 bpm
QRS complex before P wave
#2
What is the typical heart rate range for a junctional escape rhythm?
40-60 bpm
60-100 bpm
100-150 bpm
150-200 bpm
#3
What term describes a junctional rhythm where the heart rate is between 60-100 bpm?
Junctional escape rhythm
Accelerated junctional rhythm
Junctional tachycardia
Junctional bradycardia
#4
What term describes a junctional rhythm with a heart rate below 40 bpm?
Junctional escape rhythm
Accelerated junctional rhythm
Junctional tachycardia
Junctional bradycardia
#5
What term describes a junctional rhythm with a heart rate between 40 and 60 bpm?
Accelerated junctional rhythm
Junctional tachycardia
Junctional escape rhythm
Junctional bradycardia
#6
What is a possible cause of a junctional rhythm?
Increased sympathetic stimulation
Hyperkalemia
Hypoxemia
Sinus bradycardia
#7
In a junctional escape rhythm, where does the electrical impulse originate?
AV node
Purkinje fibers
Bundle of His
SA node
#8
Which ECG characteristic is commonly associated with a junctional rhythm?
Absent P waves
Wide QRS complexes
Tall T waves
Prolonged PR interval
#9
Which medication is commonly used to treat symptomatic junctional rhythms?
Atropine
Epinephrine
Amiodarone
Lidocaine
#10
What is the primary difference between accelerated junctional rhythm and junctional tachycardia?
Origin of the electrical impulse
Rate of the rhythm
Presence of P waves
Duration of QRS complexes
#11
What is a potential complication of sustained junctional rhythms?
Atrial fibrillation
Ventricular fibrillation
Ventricular tachycardia
Atrial flutter
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