Review measuring the PRI and QRS. What are the classifications for each? Practice finding the J point.
Review and KNOW the rhythm interpretation checklist. Describe in detail what you are looking for in each step: Rhythm, Rate, P waves, PR Interval, QRS complex.
What is criteria for normal sinus rhythm?
What is criteria for sinus bradycardia? Is this normal in trained individuals? Is this normal in elderly individuals?
What is the criteria for sinus tachycardia?
Where do all sinus rhythms originate?


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