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Sinus Rhythms
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Sinus Bradycardia
Description
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 - Practice Strip
Analyze this tracing using the five steps of rhythm analysis.
Compare your answers with the answers on the next slide.
Answers
Practice Strip - Answers
Rhythm: Regular
Rate: 56 (27 small boxes)
P wave: Upright and Uniform
PR interval: 0.18 sec
QRS: 0.10 sec
Interpretation: Sinus Bradycardia
Lessons
Overview
Rhythm Analysis Method
Interpretation
Normal Sinus Rhythm
Sinus Bradycardia
Sinus Tachycardia
Sinus Dysrhythmia (Arrhythmia)
Sinus Arrest
Sinus Exit Block
Test Questions 1-5
Test Questions 6-9
Test Questions 10-12
Test Questions 13-15
Test Questions 16-19
Test Questions 20-21
EKG Self Test
Next Lesson »
Description
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 - Practice Strip
Analyze this tracing using the five steps of rhythm analysis.
Compare your answers with the answers on the next slide.
Answers
Practice Strip - Answers
Rhythm: Regular
Rate: 56 (27 small boxes)
P wave: Upright and Uniform
PR interval: 0.18 sec
QRS: 0.10 sec
Interpretation: Sinus Bradycardia
Next Lesson »
Table of Contents
Overview
Rhythm Analysis Method
Interpretation
Normal Sinus Rhythm
Sinus Bradycardia
Sinus Tachycardia
Sinus Dysrhythmia (Arrhythmia)
Sinus Arrest
Sinus Exit Block
Test Questions 1-5
Test Questions 6-9
Test Questions 10-12
Test Questions 13-15
Test Questions 16-19
Test Questions 20-21
EKG Self Test