Introduction to Sinus Rhythms: Episode 152

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When we talk about sinus rhythms, we’re not just talking about “normal sinus rhythm.” We’re actually talking about the standard rhythms that originate in the sinus node…could be too fast, could be too slow and could be juuuuuuust right.

In this episode we’re breaking down sinus rhythms: 

• The components of a “normal” sinus rhythm
• Sinus tachycardia characteristics, causes and treatment
• Sinus bradycardia characteristics, causes and treatment
• How to identify sinus rhythm with PACs
• What exactly is sinus arrhythmia and why it’s usually no big deal
• The differences between sinus block, sinus pause and sinus arrest

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Full Transcript – Read the article on sinus rhythms and view references

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Last Updated on July 17, 2025 by Maureen Osuna, MSN, RN