I am, by training, an electrical engineer for the heart. Before medicine, I studied electrical engineering and digital signal processing — and when I found electrophysiology, it didn't feel like a career change so much as the place those two interests had been heading all along. Electrophysiologists treat the electrical issues that govern how the heart beats and circulates blood: rhythms too fast, rhythms too slow, and the nerve signals that regulate heart rate and blood pressure. All of it, as it turns out, runs on electricity.
I still think about a heart's rhythm the way an engineer thinks about a signal: something with a normal pattern, a known set of ways it can fail, and a diagnostic process for finding exactly where the failure is happening. An arrhythmia isn't a vague malfunction. It's a specific, traceable problem in a specific part of the circuit — and increasingly, one we can locate and correct rather than only manage.
That's what a catheter ablation actually is: mapping the heart's electrical activity in real time, finding the precise point of tissue responsible for an abnormal signal, and using targeted energy to interrupt it. It's closer to fault-finding in a circuit than most people expect medicine to be. The tools have changed enormously since I trained — three-dimensional electroanatomic mapping, better catheters, safer approaches — but the underlying logic hasn't: find the fault, understand why it's there, fix it precisely, disturb everything else as little as possible.
This is also why cardiac electrophysiology can offer something rarer in medicine: a genuine cure, not just lifelong management. Not every arrhythmia can be cured. Many can. That distinction is a large part of why I still find this work as absorbing now as the day I first understood what an electrical system inside a beating heart actually meant.
← Back to Ideas