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Sinus Bradycardia ECG Interpretation #313


Description

    sinus bradycardia tracing
  • Rhythms are often named according to the origin of the electrical activity in the heart or the structure where the problem is occurring.
  • Sinus Rhythms are aptly named due to the locus of stimulation being the SA (sinoatrial) node.
  • With Sinus Bradycardia the locus of stimulation is the same as normal sinus rhythm, just now the rate will be less than 60 bpm. Recall that “brady” means slow.
  • The only difference between sinus bradycardia and normal sinus rhythm is the rate. All other steps in the rhythm analysis are “normal”.

Practice Strip

sinus bradycardia tracing
  • Analyze this tracing using the five steps of rhythm analysis.
  • Compare your answers with the answers on the next slide.
Show Answer
  • Rhythm: Regular
  • Rate: 56 (27 small boxes)
  • P wave: Upright and Uniform
  • PR interval: 0.18 sec
  • QRS: 0.10 sec
  • Interpretation: Sinus Bradycardia





Authors and Sources

Authors and Reviewers


Sources






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