About the “ECG of the month”
Every month we’ll post an ECG trace that we invite you to “diagnose”. Click on the ECG trace image and then you submit your explanation by making a comment on the post. Your comment won’t appear until it has been approved so don’t worry if you don’t see not immediately.
Alternatively, you can email your thoughts and analysis to comms@scst.org.uk

Dr Dave Richley ECG of the Month – March 2021
This ECG was recorded from a 40-year old male who was resuscitated from a cardiac arrest while playing football. There was no medical history of note except that he had recently noticed that he was getting more breathless on exertion. What abnormalities are present...
Dr Dave Richley ECG of the Month – February 2021
QUESTION I was sent this ECG from someone who was puzzled about the rhythm and wanted my opinion. I wasn’t given any history but I think I managed to work out what was going on. I’d be interested to hear other people’s explanations though, so what do you think? ...
Dr Dave Richley’s ECG of the Month – December 2020
The rhythm here is irregular, but why? What exactly is going on? I’ve numbered the QRS complexes to facilitate discussion. Dr Dave Richley, Associate Lecturer Newcastle University
Dr Dave Richley’s ECG of the Month – November 2020
This ECG was recorded from an essentially asymptomatic 55-year old male after his GP noticed that he was bradycardic during a routine check-up. He had no family history of note, was not taking any medication and his blood pressure was 130/90 mm Hg. Does the ECG...
Dr Dave Richley’s ECG of the Month – October 2020
I don’t have any information about the patient, but can you provide a full description of the rhythm on this 3-lead recording?
Dr Dave Richley’s ECG of the Month – September 2020
This ECG was recorded from an 87-year old male with a dual chamber pacemaker. What exactly might be going on here? I don’t have a definitive ‘correct’ answer, but it would be interesting to know what people think. Dr Dave Richley