Contents

SynopsisCodesDifferential Diagnosis & PitfallsBest TestsDrug Reaction DataReferences
Sick sinus syndrome
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Sick sinus syndrome

Contributors: Ryan Hoefen MD, PhD
Other Resources UpToDate PubMed

Synopsis

Bradycardia caused by dysfunction of sinus node function leading to sinus bradycardia, sinus pauses, or sinus exit block. Symptoms may include syncope, near syncope, fatigue, dizziness, and lightheadedness.

Codes

ICD10CM:
I49.5 – Sick sinus syndrome

SNOMEDCT:
36083008 – Sick sinus syndrome

Differential Diagnosis & Pitfalls

To perform a comparison, select diagnoses from the classic differential

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Best Tests

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Drug Reaction Data

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References

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Last Updated:01/24/2022
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Sick sinus syndrome
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A medical illustration showing key findings of Sick sinus syndrome : Syncope, Presyncope, Sinus pause
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