Cardiac electrophysiology and interventional cardiology are both specialized fields within cardiology, but they focus on different aspects of heart function and treatment.

Cardiac electrophysiology (EP) primarily deals with the electrical activities of the heart. This includes diagnosing and treating abnormal heart rhythms, also known as arrhythmias. Electrophysiologists use various techniques to study the heart’s electrical system, such as electrocardiograms (ECGs), electrophysiology studies (EPS), and implantable devices like pacemakers and defibrillators. They perform procedures like catheter ablation to correct arrhythmias by targeting and disrupting the abnormal electrical pathways in the heart.

On the other hand, interventional cardiology primarily focuses on diagnosing and treating structural heart conditions, particularly those related to blockages or narrowing of the coronary arteries (coronary artery disease). Interventional cardiologists use minimally invasive procedures, such as angioplasty and stent placement, to open blocked arteries and restore blood flow to the heart muscle. They may also perform procedures like transcatheter aortic valve replacement (TAVR) or percutaneous closure of structural defects in the heart.

In summary, cardiac electrophysiology is concerned with the electrical function of the heart and the treatment of arrhythmias, while interventional cardiology focuses on the structural aspects of heart disease and the use of minimally invasive procedures to treat blockages and other structural abnormalities.

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