EKG Rhythms
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1. Sinus Rhythms Originate in the SA node
Have normal P wave
2. Sinus Bradycar- Normal P wave
dia Normal QRS
Heart Rate < 60 BPM
3. Sinus Tachycar- Normal P wave
dia Normal QRS
Heart Rate > 100 BPM
4. Normal Sinus Normal P wave
Rhythm (NSR) Normal QRS
Heart Rate 60-100 BPM
5. Sinus Arrhythmia Normal P wave
Normal QRS
Irregular Rhythm
6. Atrial Flutter Multiple P waves for every QRS
Normal QRS
Regular Rhythm
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, EKG Rhythms,,,
EKG Rhythms
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7. Atrial Fibrillation Erratic, shaky, irregular waves instead of P waves
Normal QRS
Irregular Rhythm
Includes Rapid Ventricular Response (RVR) if HR >100
8. Supraventricular P and T waves are hidden behind each other (merged into one wave)
Tachycardia (SVT) HR 150+
Normal QRS
9. Junctional Originate in the AV node
Rhythms Characterized by absent or inverted P wave either before or after the QRS complex
Normal QRS
10. Junctional Brady- Absent or inverted P wave
cardia Normal QRS
HR < 40 BPM
11. Junctional Escape Absent or inverted P wave
Rhythm Normal QRS
HR 40-60
12. Accelerated Junc-
tional Rhythm
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