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Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
Gail Walraven
Basic ArrhythmiasSeventh Edition
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
Chapter 3Analyzing EKG Rhythm Strips
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
To Analyze EKG rhythm strip
• Use organized format to collect available clues
• Compare information collected to rules for each arrhythmia
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
Systematic Approach to Arrhythmia Interpretation
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
Calculating Heart Rate – Regular Rhythms
• Count number of large squares between two R waves and divide into 300, or
• Count number of small squares between two R waves and divide into 1500
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
Calculating Heart Rates
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
Figuring Rates Based on the Number of QRS Complexes in a 6-Second Strip
• Count number of R waves in a 6-second strip and multiply by 10
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
Rhythm Strip Analysis Format
• Regularity (Rhythm)
• Rate
• P Waves
• PR Intervals
• QRS Complexes
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
Regularity (Rhythm)
• Is it regular?
• Is it irregular?
• Are there any patterns to the irregularity?
• Are there any ectopic beats; if so, are they early or late?
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
P Waves
• Are P waves regular?• Is there one P wave for every QRS?• Is P wave in front of QRS or behind it?• Is P wave normal and upright in Lead II?• Are there more P waves than QRS
complexes?• Do all P waves look alike?• Are irregular P waves associated with
ectopic beats?
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
PR Interval
• Are all PRIs constant?
• Is PRI measurement within normal range?
• If PRI varies, is there a pattern to changing measurements?
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
QRS Complex
• Are all QRS complexes of equal duration?
• What is the measurement of QRS complex?
• Is QRS measurement within normal limits?
• Do all QRS complexes look alike?• Are unusual QRS complexes
associated with ectopic beats?
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
Chapter 3 Practice Strips
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
3.1
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
3.2
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
3.3
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
3.4
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
3.5
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
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Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
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Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
3.8
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
3.9
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
3.10
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
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Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
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Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
3.13
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
3.14
Gail Walraven, Basic Arrhythmias, Seventh Edition©2011 by Pearson Education, Inc., Upper Saddle River, NJ
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