Always consider the rhythm in the context of the clinical state of the patient. Any element of haemodynamic compromise necessitates immediate action. Arrhythmias generally, and tachyarrhythmias specifically, are distinguished, on the basis of the QRS complex, into wide- and narrow-complex arrhythmias, respectively. This reflects a pragmatic approach, one based on differences in management between wide … Continue reading Tachyarrhythmia