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NurseFaith
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Junctional Arrhythmias come from:
The AV junction/AV node
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Depending on the place of the irritable spot in the heart will determine:
- What is stimulated first:
- (ie: if it is on top, the atria will be stimulated)
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EKG indicating Junctional Arrhythmia
P wave will be seen in very weird places (depending on what is stimulated first)
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Inverted P waves, Weird out of place P waves
Premature Junctional Contraction
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If the atria is depolarized before the ventricle, what shows on EKG
Inverted P wave (junctional!)
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If the atria and ventricle are depolarized simultaneously, what will be seen on EKG
No visible P wave (hidden from QRS)
(premature junctional contraction)
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If ventricles are depolarized before the atria, the EKG will show:
- P wave following a QRS complex
- (JUNCTIONAL!)
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Premature Junctional Contractions are considered _____ and therefore are not treated
Benign
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_____ Toxicity can mess up SA Node
Digoxin
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Rate of 40-60bpm, Inverted P wave, Out of Place P wave
- Junctional Escape RhythmÂ
- (av node is acting as pacemaker)
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Treatment of Junctional Escape Contraction
- Assess signs/symptoms of low cardiac output
- Push meds if you realize decreased cardiac output sx
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Rate of 60-100 bpm, Inverted P wave, Out of place P wave,
Accelerated Junctional Rhythm
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An EKG that looks like a junctional rate but is so much faster is normally:
Junctional tachycardia
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Rate of 100-180 bpm, Inverted P wave, misplaced p wave
Accelerated Junctional Rhythm
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