At first he put it down to dehydration and exhaustion at making the climb, that is until the presenter realised his left leg – the site of an old football injury – was hot and swollen, so decided to get it checked out.
Adrian Chiles: 'I feel like my legs might explode' When Adrian Chiles was walking up a European mountain on a bright summer's day, he suddenly started feeling tired and nauseous.
The DVT was, he says, “frightening in retrospect – nobody said I’d diced with death or anything, but if it gets dislodged and ends up on your lungs, things can get very unpleasant quickly.
“The clot was in my upper leg and I’ve been told, very gravely, that my leg is ‘post-thrombotic’, which sounds a lot more sci-fi and interesting than it actually is.
The former The One Show presenter has suffered with leg issues since an accident 25 years ago.