Our expert says:
You may have a leaking heart valve, but I very much doubt that the leaking heart valve has got anything to do with yawning or the other symptoms that you describe. You can also be sure that the chest pain that you had after swimming the Midmar Mile was nothing to do with your heart, and it is extremely unlikely that you had an infection of the heart valve (“infective endocarditis”), which is a very serious illness that does not get better without prolonged intravenous and/or oral antibiotics.
Yawning is not a symptom of heart disease. Blueness of your lips, hands and feet might possibly be due to the heart, but may also simply be related to the peripheral circulation. Yawning also has nothing to do with old age or to my knowledge with hormones. It may be psychological, in the broadest sense, as most commonly it is simply a sign of tiredness.
From what you have told me there is no reason why you shouldn’t swim again, and even swim the Midmar Mile for that matter. However it sounds as though you should see a good sympathetic general physician who will listen carefully and try to put everything into perspective for you.
I hope this is helpful. Best wishes. JT
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