ECG/EKG Abbreviations
NSR normal sinus rhythm ST sinus tachycardia SB sinus bradycardia SVT supraventricular tachycardia PSVT paroxysmal supraventricular tachycardia A-fib atrial fibrillation A-flutter atrial flutter VT...
View ArticleECG/EKG Parameters
Normal Rate (SA node) 60-100 bpm Junctional Default 40-60 bpm Ventricular Default 20-40 bpm Bradycardia (SB) < 60 bpm Tachycardia (ST) > 100 bpm QRS Interval 0.06-0.10 seconds (1.5-2.5 small...
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Rhythm Interpretation, The Basics
1. Find the RATE. 2. Is the RHYTHM regular or irregular? 3. Are P WAVES present and one-to-one with the QRS complexes? 4. Is the QRS normal or wide (>0.12 sec/>3 small boxes)? 5. Any EXTRA beats...
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Rhythm Interpretation, PR Interval
The PR Interval CHARAC. PR INTERVAL CONSIDER Normal 0.12 to 0.20 seconds (3 to 5 small boxes) Short < 0.12 seconds Consider junctional rhythm Long > 0.20 seconds If consistent, consider 1st...
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Rhythm Interpretation, QRS Complex
The QRS Complex CHARAC. PR INTERVAL CONSIDER Normal 0.06 to 0.10 seconds (1.5 to 2.5 small boxes) Narrow < 0.06 seconds Not usually indicative of a problem Wide >0.12 seconds Consider...
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Cardioversion
ADULT INFANT/CHILD SVT and A-flutter: Start with 50 J Monophasic defibrillator only: 0.5-1.0 J/kg, increase to 2 J/kg if lower dose ineffective Other regular tachy rhythms: Start with...
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