As most of the people who read this blog are probably long distance flyers this is a reminder and warning about deep vein thrombosis (DVT). This is not medical advice. It is just something that might perhaps prompt you into finding more information regarding the condition. Speak to a doctor of medicine for medical advice.

You may be aware that DVT can be caused by being immobile for periods of time. This is particularly true when flying. That is why airlines state on safety cards that you should move your legs during the trip. Either by doing simple exercises whilst seated or actually walking around the cabin as often as possible or of course, both. If you don't, it is possible you will develop DVT. Your age does not come into it.

If you develop DVT, the blood clot that is formed has to be dissolved or removed before it, or a piece of it, travels through the circulatory system with a very good chance of causing major problems and death.

Last week I lost a dear friend who had developed what looked like DVT. He had flown long haul 4 times in a week and was in his fifties. After the last flight his right lower leg was swollen, red in patches and painful. His left leg was fine. These are classic DVT symptoms. However, it is possible to get DVT and not exhibit any symptoms.

He was warned by people that he should attend hospital immediately but for reasons best known to himself he didn't and hoped it would go away. A few days later he collapsed and died.

So please people, if you are on a plane for more than an hour or two, do the exercises and walk about a bit. It might save your life.

Image courtesy of Cathay Pacific.

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