There is no scientific evidence that caffeine causes heart arrhythmias in those with a healthy heart. (caffeineinformer.com)
If the body can't handle the deficit, this can lead to impaired cardiovascular function and irregularities such as heart arrhythmias. (mindbodygreen.com)
An international joint research group found that the cause of heart arrhythmia in myotonic dystrophy was RNA abnormalities in the sodium channel in the heart, clarifying the symptom's mechanism. (sciencedaily.com)