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2024年1月12日 · 11 min read. Atrial flutter is a type of irregular heartbeat, or an arrhythmia. It causes your heart to beat too fast. Atrial flutter doesn't always have symptoms, but it can sometimes have...
When taken by mouth: Melatonin is likely safe for most adults when used short-term. Melatonin is possibly safe when taken long-term. It's been used safely for up to 2 years. But it can cause some ...
