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nwscc ECG PRI's

ecg rules PRI'S

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