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Quinine Water-Triggered Atrial Tachyarrhythmia.
Emad Elmusa1, Hannan Asghar1, Ameer Hamza1
1Internal Medicine, HCA Florida Orange Park Hospital, Orange Park, USA.
Cureus
|January 23, 2023
Summary
Excessive tonic water consumption can lead to serious heart rhythm problems like atrial flutter. This case highlights the cardiovascular risks of quinine in tonic water, even in small amounts.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Quinine, an anti-malarial, has known side effects impacting blood, skin, and heart.
- Tonic water contains low-dose quinine and is widely available, but consumer awareness of risks is limited.
Observation:
- A patient developed atrial flutter with a rapid ventricular response after consuming tonic water.
- The patient's condition improved with standard rate control therapy.
Findings:
- This case suggests quinine in tonic water may affect atrial electrical activity, leading to arrhythmias.
- Quinine's pro-arrhythmic effects on the atria are not well-documented.
Implications:
- Increased awareness is needed regarding potential cardiovascular risks of excessive tonic water intake.
- Further research into quinine's effects on atrial electrophysiology is warranted to prevent adverse cardiac events.
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