Changes in Leprechaun Traits: Now a Wealthy Shoemaker. 1  The Mystery of the San Pedro Mountains Mummy. 2  Irish Lore Keeper gives Dire Warning: US Company will be Cursed if Ancient Fairy Fort is Destroyed. 3  The nature and danger of the legendary Kobold. 4  Evolving Forms: An Intriguing Look at Shapeshifting.
Exertional Dyspnea. Shortness of breath during exercise (exertional dyspnea) produces a sensation of not being able to get enough air and a feeling of being out of breath..A number of factors can cause exertional dyspnea, but they are usually related to insufficient tissue oxygenation by the blood.xertional Dyspnea. Shortness of breath during exercise (exertional dyspnea) produces a sensation of not being able to get enough air and a feeling of being out of breath..
Paroxysmal nocturnal dyspnea is usually caused by congestive heart failure, most commonly (but not always) in people who also have had episodes of dyspnea with exertion, or of orthopnea (shortness of breath when lying down). People who experience PND also usually have at least some edema (swelling) in their feet and legs.