#1
Which of the following is a characteristic of a junctional rhythm?
Heart rate below 60 bpm
ExplanationJunctional rhythms are characterized by a heart rate below 60 bpm.
#2
What is the typical heart rate range for a junctional escape rhythm?
40-60 bpm
ExplanationThe typical heart rate range for a junctional escape rhythm is 40-60 bpm.
#3
What term describes a junctional rhythm where the heart rate is between 60-100 bpm?
Accelerated junctional rhythm
ExplanationA junctional rhythm with a heart rate between 60-100 bpm is termed accelerated junctional rhythm.
#4
What term describes a junctional rhythm with a heart rate below 40 bpm?
Junctional bradycardia
ExplanationA junctional rhythm with a heart rate below 40 bpm is termed junctional bradycardia.
#5
What term describes a junctional rhythm with a heart rate between 40 and 60 bpm?
Junctional escape rhythm
ExplanationA junctional rhythm with a heart rate between 40 and 60 bpm is termed a junctional escape rhythm.
#6
What is a possible cause of a junctional rhythm?
Hyperkalemia
ExplanationHyperkalemia is a potential cause of junctional rhythms.
#7
In a junctional escape rhythm, where does the electrical impulse originate?
AV node
ExplanationIn a junctional escape rhythm, the electrical impulse originates in the AV node.
#8
Which ECG characteristic is commonly associated with a junctional rhythm?
Absent P waves
ExplanationJunctional rhythms are commonly associated with absent P waves on the ECG.
#9
Which medication is commonly used to treat symptomatic junctional rhythms?
Atropine
ExplanationAtropine is commonly used to treat symptomatic junctional rhythms.
#10
What is the primary difference between accelerated junctional rhythm and junctional tachycardia?
Rate of the rhythm
ExplanationThe primary difference between accelerated junctional rhythm and junctional tachycardia is the rate of the rhythm.
#11
What is a potential complication of sustained junctional rhythms?
Ventricular fibrillation
ExplanationSustained junctional rhythms may lead to complications such as ventricular fibrillation.