You know those teaching sessions where you suddenly understand a subject, where everything crystallises and you start to think that maybe medicine isn’t actually all that hard? With these podcasts we aim to replicate that experience, with the added bonus that you can listen as many times as you like.

In this episode, John Rees fron Kings College London teaches Alex Romain about a young man who is short of breath.

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Download an image of the x-ray image mentioned in the podcast http://bit.ly/159GExR