HIT is caused by the formation of abnormal antibodies that activate platelets. If someone receiving heparin develops new or worsening thrombosis, or if the platelet count falls, HIT can be confirmed with specific blood tests.
For other uses, see Disneyland (disambiguation). Disneyland Park, originally Disneyland, is the first of two theme parks built at the Disneyland Resort in Anaheim, California, opened on July 17, 1955. It is the only theme park designed and built under the direct supervision of Walt Disney.
Mnay of the traditional amusement parks were closed, or burned to the ground. In 1964 Steeplechase Park closed. Theme parks helped to save the industry. Surprisingly, the first theme park was build at Bkackgang Chine on the Isle of Wight in England in 1843. Sea Lion Park might also be considered a theme park because it was build around a nautical theme.