Medical articles from Professor Mark Gallagher

Palpitations are common and can understandably cause concern about heart health. Dr Mark Gallagher, a respected consultant cardiologist, clarifies in this guide that, in fact, palpitations can stem fr...

If you experience arrhythmia, a doctor may recommend atrial ablation to burn and destroy the abnormal area of heart tissue that is causing the arrhythmia. While ablation will generally restore your no...

In one of our latest articles here, Dr Mark Gallagher, an esteemed consultant cardiologist, explains what atrial fibrillation is, outlines the main causes, and tells us how patients with the condition...

Are you experiencing an irregular heartbeat and a fluttering feeling in your chest? It may be a case of atrial fibrillation which, if left untreated, can lead to stroke. Here, one of our expert cardio...