Define EKG Interpretation of Rhythm Flashcards

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21 cards   |   Total Attempts: 186
  

Cards In This Set

Front Back
EKG Paper
Small square = 0.04 seconds Large square = 0.20 seconds 30 large squares in 6 sec. strip
Rhythm Analysis
1. Regular/ Irregular
2. Rate
3. P waves
4. PR interval (measure)
5. QRS (measure)
6. ST segment - elevated/ depressed
7. T wave - shape, direction
8. QT interval (measure)
Normal EKG Interval Measurements
PR interval = 0.12- 0.20 sec
QRS complex = 0.04- 0.10 sec
QT interval = 0.32- 0.40 sec
Normal Sinus Rhythm
(NSR)
Regular Rhythm
Rate= 60-100 bpm
Ps - 1 per QRS/ all look alike
PR - 0.12- 0.20 sec
QRS - 0.04-0.10 sec/ all look alike
QT- 0.32-0.40 sec
Sinus Tachycardia
Rate = 100-160 bpm
Sinus Bradycardia
Rate = < 60 bpm
Sinus Pause
Skipped beat for < 3 seconds
Sinus Arrest
Skipped beat for > 3 seconds
Premature Atrial Contraction
(PAC)
Regular rhythm except where early beat, P waves may look different from each other
Wandering Atrial Pacemaker
Regular or irregular rhythm
Rate = 60-100 bpm
Atrial Tachycardia
Rate 150- 250 bpm (210)
Cannot determine Ps from Ts
PR interval not measured
Atrial Flutter
Rate = 250-350 (300)
More Ps than QRS (saw tooth)
PR interval not measured
Atrial Fibrillation
Atrial rate= > 400
Ventricular rate = 50-60, 170s
NO P WAVES
PR interval not measured
Premature Junctional Contraction
(PJC)
regular rhythm except where early beat
rate depends on UR
Ps- inverted, precede, buried, or follow QRS
PR Interval = < 0.12 (narrow)
Junctional Rhythm
Regular rhythm
Rate = 40-60 bpm
PR interval = <0.12 sec. (narrow)