Key result
Smartwatch-detected SVT successfully guides catheter ablation in three patients with infrequent palpitations.
Why the study?
There has been no consensus on the diagnostic power of smartwatch-detected supraventricular tachycardia (SVT).
Does smartwatch-detected SVT facilitate the decision for electrophysiological study and catheter ablation in patients with infrequent palpitations?
Case Report (n=3)
Does smartwatch-detected SVT facilitate the decision for electrophysiological study and catheter ablation in patients with infrequent palpitations?
Smartwatch-detected SVT can reliably indicate the need for an electrophysiological study and subsequent catheter ablation without waiting for standard ECG documentation.
May support smartwatch SVT documentation in select cases; hypothesis-generating and should not yet change ablation decisions.
Smartwatch allows easy detection of arrhythmia. Such an approach is widely used for detecting atrial fibrillation. However, there has been no consensus on the diagnostic power of smartwatch-detected supraventricular tachycardia (SVT). We reported three patients of SVT presenting with infrequent palpitations. Their SVTs were not documented with single-lead or standard ECG in hospital before, but only recorded by the single-lead ECG on smartwatches. Electrophysiological studies confirmed the mechanisms of these SVTs and led to successful catheter ablations. In conclusion, in patients with recurrent symptomatic tachycardia and a smartwatch-detected SVT, an electrophysiological study is indicated rather than to wait for a standard ECG for clinical decision. This approach might prevent the delay for successful treatment.
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Wu et al. (2021) conducted a case report in Supraventricular tachycardia (n=3). Smartwatch single-lead ECG vs. Standard ECG was evaluated on Electrophysiological study confirmation and successful catheter ablation. Smartwatch-detected supraventricular tachycardia in three patients with infrequent palpitations successfully guided electrophysiological studies and subsequent catheter ablation.
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