You never know when it will strike and it is often difficult to get it under control. Most pain episodes do not have an obvious reason for their occurrence.
People with sickle cell trait have red blood cells with abnormal hemoglobin (a protein in red blood cells that carries oxygen from the lungs and returns carbon dioxide from tissues back to the lungs) but they have enough normal hemoglobin for red cells to successfully carry oxygen around the body.
While it is extremely rare for sickle cell trait to cause any complications, there can be problems in conditions of severe physical stress, including low oxygen conditions, severe dehydration, severe physical exercise or very high altitude.
"Selfish" is the second episode of the seventh season of the American medical drama House. House (Hugh Laurie) treats a patient with sickle cell trait, while dealing with the effects of his burgeoning relationship with Lisa Cuddy (Lisa Edelstein) on his work.
The patient of the week is Della Carr, an active and seemingly healthy teenager, who suddenly collapses with heart arrhythmia at a charity function for congenital muscular dystrophy, which her brother Hugo also has.
Devin was selected in the first round by the New England Patriots and Jason in the sixth round by the Tennessee Titans.