Arrhythmia and dysrhythmia are terms that both describe an abnormal heart rate or rhythm, with arrhythmia being the more commonly used term. An abnormal heart rate can be either faster (tachycardia) ...

Rett syndrome, a neurodevelopmental disorder, manifests in the first few years of life with developmental arrest, stereotyped behaviors, and respiratory abnormalities. Seizures occur in 70 to 80% of ...

older male patient recovering from coronavirus. Sinus tachycardia is the most commonly reported dysrhythmia in patients with COVID-19 disease. This is the third installment of our 8-part series on ...

The results are summarized in Table 1. Seventeen patients with Rett syndrome were identified. Three had no seizures. Mean age at seizure onset in the others was 3.8 years (range 1.5-9 years).