There are a couple of threads about this, such as these:
Hello All I have finally completed all aspects of recruitment for a trainee driver role with Southern Rail. I am a fit and able person I like to think I'm active as I go for regular runs and do mountain treks annually. Anyway long story short I went for a medical and all went fine except for...
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I have recently had a medical and mostly everything checked out ok except my ECG came up as an abnormality that need to be investigated. The graph/report was sent off to the Cardiologist who advised that a Echocardiogram is needed to further assess the possibility of Obstructive coronary disease...
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Hello All I attended a medical for train driver and was told that I had an abnormal ECG, the condition being left axis deviation. This is a common abnormality, affecting about 10 percent of people, it is not life threatening and does not affect me in any way. Rang the TOC and they said that they...
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I wouldn't worry too much. It seems like worst case they have you do some tests (e.g. echocardiogram, working ECG) privately so that you can prove it's fine.
Did they say what the ECG showed that was abnormal?