With symptoms such as a racing, fluttering heartbeat and shortness of breath, atrial fibrillation (AFib) is more than uncomfortable — it makes stroke five times more likely and, over time, can weaken ...

Narrow-complex tachyarrhythmias are rapid heart rhythms originating in the upper heart chambers, characterized by a QRS duration of less than 120 milliseconds on an EKG. These arrhythmias can be ...

Intranasal etripamil is the first self-administered, on-demand therapy for PSVT, allowing treatment outside healthcare settings. The RAPID trial showed 64% of etripamil-treated patients returned to ...