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ECG Rules:)
Question | Answer |
---|---|
Sinus Rhythm Rate | 60-100 BPM |
Sinus Rhythm Rhythm | Regular |
Sinus Rhythm Pwaves | (+),One For Every QRS |
Sinus Rhythm PRI | 0.12-0.20 sec |
Sinus Rhythm QRS | 0.10 sec or less, unless abnormally conducted |
Sinus Bradycardia Rate | Less Than 60 BPM |
Sinus Bradycardia Rhythm | Regular |
Sinus Bradycardia Pwaves | (+),One For Every QRS |
Sinus Bradycardia PRI | 0.12-0.20 sec |
Sinus Bradycardia QRS | 0.10 sec or less, unless abnormally conducted |
Sinus Tachycardia Rate | 101-180 BPM |
Sinus Tachycardia Rhythm | Regular |
Sinus Tachycardia Pwaves | (+),One For Every QRS |
Sinus Tachycardia PRI | 0.12-0.20 sec |
Sinus Tachycardia QRS | 0.10 sec or less, unless abnormally conducted |
Sinus Arrhythmia Rate | Usually 60-100 BPM |
Sinus Arrhythmia Rhythm | Irregular, Typically Phasic with Respirations |
Sinus Arrhythmia Pwaves | (+),One For Every QRS |
Sinus Arrhythmia PRI | 0.12-0.20 sec |
Sinus Arrhythmia QRS | 0.10 sec or less, unless abnormally conducted |
SA Block Rate | Varies |
SA Block Rhythm | Regular Except For The Event; Drops A P-P Interval |
SA Block Pwaves | When Present,(+),One For Every QRS |
SA Block PRI | When Present,0.12-0.20 sec |
SA Block QRS | 0.10 sec or less, unless abnormally Conducted |
Sinus Arrest Rate | Varies |
Sinus Arrest Rhythm | Regular Except For The Event; Pause Of Undetermined Length |
Sinus Arrest Pwaves | When Present,(+),One For Every QRS |
Sinus Arrest PRI | When Present, 0.12-0.20 sec |
Sinus Arrest QRS | 0.10 sec or less, unless abnormally Conducted |
PACs Rate | Usually Within Normal Range, But Depends On Underlying Rhythm |
PACs Rhythm | Regular With Premature Beats |
PACs Pwaves | Premature,(+), One For Every QRS, Differ Than Sinus Pwaves, Maybe Lost In Preceding Twave |
PACs PRI | Maybe Normal Or Prolonged |
PACs QRS | 0.10 sec or Less Unless Abnormally Conducted |
Wandering Atrial Pacemaker Rate | Usually 60-100 BPM; If Rate Greater Than 100 BPM, Rhythm Is Called Multifocal Atrial Tachycardia |
Wandering Atrial Pacemaker Rhythm | Maybe Irregular As Pacemaker Site Shifts From SA Node To Ectopic Atrial Locations And AV Junction |
Wandering Atrial Pacemaker Pwaves | Size, Shape, And Direction mau Change From Beat To Beat |
Wandering Atrial Pacemaker PRI | Varies |
Wandering Atrial Pacemaker QRS | 0.10 sec Or Less Unless Abnormally Conducted |
Atrial Tachycardia Rate | 100-250 BPM |
Atrial Tachycardia Rhythm | Regular |
Atrial Tachycardia Pwaves | Atrial Pwaves Differ From Sinus Pwaves; Isoelectric Baseline Usually Present Between Pwaves |
Atrial Tachycardia PRI | Maybe Shorter Or Longer Than Normal |
Atrial Tachycardia QRS | 0.10 Sec Or Less Unless Abnormally Conducted |
AVNRT Rate | 150-250 BPM |
AVNRT Rhythm | Ventricular Rhythm Is Usually Very Regular |
AVNRT Pwaves | Pwaves Often Hidden In QRS Complex |
AVNRT PRI | If Pwaves Are Seen, The PRI Will Usually 0.12-0.20sec |
AVNRT QRS | 0.10 sec or Less Unless Abnormally Conducted |
Atria Flutter Rate | Atrial Rate 250-450BPM, Typically 300BPM, Ventricular Rate Variable-Determined By AV Blockade |
Atria Flutter Rhythm | Atrial Regular, Ventricular Regular or irregular |
Atria Flutter Pwaves | No Identifiable P Waves; Saw-toothed "flutter" Waves Present |
Atria Flutter PRI | Not Measurable |
Atria Flutter QRS | 0.10 sec or less unless abnormally Conducted |
AFib Rate | Atrial Rate 400-600 BPM; Ventricular Rate Variable |
AFib Rhythm | Ventricular Rhythm Usually Irregularly Irregular |
AFib Pwaves | No Identifiable Pwaves; Fibrillatory waves present; erratic, Wavy Baseline |
AFib PRI | Not measurable |
AFib QRS | 0.10 sec or less unless abnormally conducted |
WPW Rate | 60-100 BPM, if the underlying rhythm is sinus in origin |
WPW Rhythm | Regular, unless associated with Atrial Fibrillation |
WPW Pwaves | Normal and (+) in lead II unless WPW is associated with AFib |
WPW PRI | If Pwaves are seen, Less than 0.12sec |
WPW QRS | Usually greather than 0.12 sec. Delta wave may be seen in one or more leads |
PJCs Rate | usually within normal range, but depends on underlying rhythm |
PJCs Rhythm | Regular with premature beats |
PJCs Pwaves | may occur before, during, or after QRS, if visiable, the Pwave is Inverted in leads II, III, and aVF |
PJCS PRI | If Pwave 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 |
PJCs QRS | Usually 0.10sec or less unless it is aberrantly conducted or an intraventricular conduction delay exists |
Junctional Escape Beat Rate | usually within normal range, but depends on underlying rhythm |
Junctional Escape Beat Rhythm | Regular with Late Beats |
Junctional Escape Beat Pwaves | may occur before, during, or after QRS, if visiable, the Pwave is Inverted in leads II, III, and aVF |
Junctional Escape Beat PRI | If Pwave 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 QRS | Usually 0.10sec or less unless it is aberrantly conducted or an Intraventricular conduction delay exists |
Junctional Escape Rhythm Rate | 40-60 BPM |
Junctional Escape Rhythm Rhythm | Regular |
Junctional Escape Rhythm Pwaves | may occur before, during, or after QRS, if visiable, the Pwave is Inverted in leads II, III, and aVF |
Junctional Escape Rhythm PRI | If Pwave 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 QRS | Usually 0.10 sec or less unless it is aberrantly conducted or an Intraventricular conduction delay exists |
Accelerated Junctional Rhythm Rate | 61-100 BPM |
Accelerated Junctional Rhythm Rhythm | Regular |
Accelerated Junctional Rhythm Pwaves | may occur before, during, or after QRS, if visiable, the Pwave is Inverted in leads II, III, and aVF |
Accelerated Junctional Rhythm PRI | If Pwave 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 Rhythm QRS | Usually 0.10sec or less unless it is aberrantly conducted or an Intraventricular conduction delay exists |
Junctional Tachycardia Rate | 101-180 BPM |
Junctional Tachycardia Rhythm | Regular |
Junctional Tachycardia Pwaves | may occur before, during, or after QRS, if visiable, the Pwave is Inverted in leads II, III, and aVF |
Junctional Tachycardia PRI | If Pwave 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 QRS | Usually 0.10sec or less unless it is aberrantly conducted or an Intraventricular conduction delay exists |
PVCs Rate= | Usually within normal range, but depends on underlying rhythm |
PVCs Rhythms= | regular with early beats |
PVCs Pwaves= | usually absent or, with retrograde conduction to the atria, may appears after the QRS(usually upright in ST-segment or Twaves) |
PVCs PRI= | none |
PVCs QRS= | usually 0.12 sec or greater |
Ventricular Escape Beat Rate | Usually within normal range, but depends on underlying rhythm |
Ventricular Escape Beat Rhythm | usually 0.12 sec or greater |
Ventricular Escape Beat Pwaves | usually absent or, with retrograde conduction to the atria, may appears after the QRS(usually upright in ST-segment or Twaves) |
Ventricular Escape Beat PRI | none |
Ventricular Escape Beat QRS | usually 0.12 sec or greater |
IVR Rate | 20-40 BPM |
IVR Rhythm | Essentially Regular |
IVR Pwaves | usually absent or, with retrograde conduction to the atria, may appears after the QRS(usually upright in ST-segment or Twaves) |
IVR PRI | none |
IVR QRS | usually 0.12 sec or greater |
AVR Rate | 41-100 BPM (Some Consider the rate 41-120 BPM) |
AVR Rhythm | Essentially Regular |
AVR Pwaves | usually absent or, with retrograde conduction to the atria, may appears after the QRS(usually upright in ST-segment or Twaves) |
AVR PRI | none |
AVR QRS | usually 0.12 sec or greater |
Monomorphic VT Rate | 101-250 BPM (some Consider 121-250 BPM) |
Monomorphic VT Rhythm | Usually Regular |
Monomorphic VT Pwaves | May be present or absent. If present, they have no set relationship to the QRS appearing between the QRSs at a rate different from that of the VT |
Monomorphic VT PRI | None |
Monomorphic VT QRS | 0.12 sec or greater |
Polymorphic VT Rate | 150-300 BPM |
Polymorphic VT Rhythm | Irregular |
Polymorphic VT Pwaves | Inderpendent or none |
Polymorphic VT PRI | none |
Polymorphic VT QRS | 0.12 sec or greater |
VFib Rate | not discernible |
VFib Rhythm | chaotic |
VFib Pwaves | absent |
VFib PRI | none |
VFib QRS | not discernible |
Asystole Rate | none |
Asystole Rhythm | none |
Asystole Pwaves | atrial activiy may be observed ('Pwaves asystole") |
Asystole PRI | none |
Asystole QRS | absent |
1sr-Degree AVB Rate | usually within normal range, but depends on underlying rhythm |
1st-Degree AVB Rhythm | atrial regular, ventricular regular |
1st-Degree AVB Pwaves | normal, one for every QRS |
1st-Degree AVB PRI | Greater than 0.20 sec and constant |
1st-Degree AVB QRS | usually 0.10 sec or less unless an intraventricular conduction delay exists |
2nd-Degree AVB Type I Rate | atrial rate greater than ventricular rate; both often within normal limits |
2nd-Degree AVB Type I Rhythm | atrial regular, ventricular irregular |
2nd-Degree AVB Type I Pwaves | normal in size and shape, some pwaves are not followed by a QRS (more Pwaves Than QRS) |
2nd-Degree AVB Type I PRI | lengthens with each cycle until a pwave appears without a QRS |
2nd-Degree AVB Type I QRS | usually 0.10 sec or less unless an intraventricular conduction delay exists |
2nd-Degree AVB Type II Rate | atrial rate greater than ventricular rate; ventricular rate often slow |
2nd-Degree AVB Type II Rhythm | atrial regular, ventricular often slow |
2nd-Degree AVB Type II Pwaves | normal in size and shape, some pwaves are not followed by a QRS (more Pwaves Than QRS) |
2nd-Degree AVB Type II PRI | normal or slightly prolonged but constand for conducted beats |
2nd-Degree AVB Type II QRS | usually greater than 0.10 sec, periodically absent after pwaves |
2nd-Degree AVB 2:1 Rate | atial rate greater than ventricular |
2nd-Degree AVB 2:1 Rhythm | atrial regular, ventricular regular |
2nd-Degree AVB 2:1 Pwaves | normal in size and shape, some pwaves are not followed by a QRS (more Pwaves Than QRS) |
2nd-Degree AVB 2:1 PRI | normal in size and shape, every other pwave is not followed by a QRS (More Pwaves Than QRS) |
2nd-Degree AVB 2:1 QRS | constant |
3rd-Degree AVB Rate | atrial rate greater than ventricular rate; ventricular rate determined by origin of escape thythm |
3rd-Degree AVB Rhythm | atrial regular, ventricular regular |
3rd-Degree AVB Pwaves | normal in size and shape, some pwaves are not followed by a QRS (more Pwaves Than QRS) |
3rd-Degree AVB PRI | none- the atria and ventricular beat independently of eavh other. therefor no true PRI |
3rd-Degree AVB QRS | Narrow or wide depending on the location of escape pacemaker and condition of intraventricular conduction system |