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6 Cards in this Set

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What does the P wave look like in a junctional ryhthm?
P wave always is inverted & most often hidden in the QRS complex.
What is the reason for the unusual configuration of the P wave in junctional rhythms?
The atria are depolarized via retrograd conduction and the electrical flow is traveling away from the electrode in Lead 2,causing wave form to
Will the QRS complex be normal in a junctional rhythm?
Ventricular depolarization will be normal and measurement will be less then .12.
Does an iverted P wave always indicat a junctional
No, atrial rhythms can also have inverted P waves. In a junctional rhythm the PRI will be less than .12 sec.
What is the biggest clue to a junctional rhythm?
The inverted P wave.
What is Premature Junctional Contraction (PJC)?
A PJC is a single beat that originates from an irratable focus in the AV junction.