William Heberden - They who are afflicted with it, are seized while they...

They who are afflicted with it, are seized while they are walking, (more especially if it be up hill, and soon after eating) with a painful and most disagreeable sensation in the breast, which seems as if it would extinguish life, if it were to increase or to continue; but the moment they stand still, all this uneasiness vanishes.... In all other respects, patients are, at the beginning of this disorder, perfectly well.... Males are most liable to this disease, especially such as have past their fiftieth year.