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ecg rules PRI'S

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Question
Answer
Sinus Rhythm PRI   1) 0.12-0.20 sec  
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Sinus Bradycardia PRI   2) 0.12-0.20 sec  
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Sinus Tachycardia PRI   3) 0.12-0.20 sec  
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Sinus Arrhythmia PRI   4) 0.12-0.20 sec  
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SA Block PRI   1) When present 0.12-0.20 sec  
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Sinus Arrest PRI   2 When present 0.12-0.20 sec  
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PAC'S PRI   May be normal or prolonged  
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Wandering Atrial Pacemaker PRI   varies  
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Atrial Flutter PRI   1) Not measurable  
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Atrial Fibrillation PRI   2) Not measurable  
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WPW (WOLF_PARKINSON_WHITE) PRI   If p-waves are seen less than 0.12 sec  
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PJC'S PRI   1) If a P-Wave occurs before the QRS the PRI will usually be 0.12 sec or less,if no p-wave occurs before the QRS, there will be no PRI  
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Junctional Escape Beat PRI   2) If a P-Wave occurs before the QRS the PRI will usually be 0.12 sec or less,if no p-wave occurs before the QRS, there will be no PRI  
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Junctional Escape Rhythm PRI   3) If a P-Wave occurs before the QRS the PRI will usually be 0.12 sec or less,if no p-wave occurs before the QRS, there will be no PRI  
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Accelerated Junctional Escape Rhythm PRI   4) If a P-Wave occurs before the QRS the PRI will usually be 0.12 sec or less,if no p-wave occurs before the QRS, there will be no PRI  
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Junctional Tachycardia   5) If a P-Wave occurs before the QRS the PRI will usually be 0.12 sec or less,if no p-wave occurs before the QRS, there will be no PRI  
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PVC's PRI   1) None  
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Ventricular Escape Beat PRI   2) None  
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Idioventricular Rhythm PRI   3) None  
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Accelerated Idioventricular Rhythm PRI   4) None  
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Monomorphic Ventricular Tachycardia PRI   5) None  
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Polymorphic Ventricular Tachycardia PRI   6) None  
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Ventricular Fibrilation PRI   7) None  
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Asystole PRI   8) None  
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First Degree Block PRI   Greater than 0.20 sec and constant  
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Second Degree Block Type I PRI   Lengthens with each cycle until a p-wave appears with no QRS  
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Second Degree Block Type II PRI   Normal, or slightly prolonged but constant for conducted beats  
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Second Degree Block 2:1 Conduction PRI   Constant  
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Third Degree Block (Complete Block) PRI   None- the atria and Ventricles beat independently of each other, thus there is no true PRI  
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