You may get the results of some tests within a couple of hours â for example, a full blood count. Other types of test may take a few days or a few weeks. You can view and print the quick guide for this page about blood tests.
The New York Stock Exchange. Exchange Traded Notes. An exchange-traded note (ETN) is a senior unsecured debt obligation designed to track the total return of an underlying market index or other benchmark, minus investor fees.
More in Rare Diseases. Essential thrombocythemia (ET) is a rare disorder in which the bone marrow produces too many platelets. ET is part of a category of diseases known as myeloproliferative disorders, a group of disorders characterized by the increased production of a particular type of blood cell. Platelets are the cells responsible for blood clotting which literally stick together at the site of a laceration or injury in order to stop bleeding. 1  In persons with ET, the presence of excessive platelets can be problematic, causing the abnormal formation of clots inside a blood vessel (a condition known as thrombosis).