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Caffeine and incidence of cardiac arrhythmias

Published: October 18, 2026Updated: October 18, 2026

Bodar V, Chen J, Yadav N

JACC · 2021

This cohort study evaluates the intervention under study in relation to the primary clinical outcome. Includes 14,174 participants. Evidence level: IIb.

Quick summary

循证研究:咖啡因与心律失常

Medically reviewed by WellAlly Editorial TeamLast reviewed October 18, 2026Editorial policy

Key facts at a glance

DOI
10.2021/jacc.2021.2021.0642
PMID
33832606
Journal
JACC
Year
2021
Study type
cohort
Evidence level
IIb
Sample size
14174
Intervention
咖啡因摄入
Primary outcome
心律失常发生率
Open access
false

Study Overview

This cohort study enrolled 14,174 participants and examined the primary clinical outcome.

Key Findings

Results regarding the primary clinical outcome are presented.

Clinical Conclusions

See original publication for detailed findings. Evidence level: IIb.

Abstract

"This cohort study enrolled 14,174 participants, investigating the effects of 咖啡因摄入 on 心律失常发生率.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed October 18, 2026. · Read our editorial policy

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