Euglobulin lysis timeDefinition:
Euglobulin lysis time (ELT) is a blood test that looks at how fast clots breakdown in the blood.
Euglobulin clot lysis; Fibrinolysis/euglobulin lysis; ELT
How the test is performed:
The health care provider uses a needle to take blood from one of your veins. For information on giving a blood sample from a vein, see venipuncture .
The laboratory specialist will run tests on the blood sample to see how fast blood clots dissolve. The dissolving of blood clots is called fibrinolysis .
How to prepare for the test:
No special preparation is usually necessary.
How the test will feel:
When the needle is inserted to draw blood, some people feel moderate pain, while others feel only a prick or stinging sensation. Afterward, there may be some throbbing.
A normal value will range from 90 minutes to 6 hours. Euglobulin clot lysis is normally complete within 2 to 4 hours.
What abnormal results mean:
A longer-than-normal ELT time may be due to:
A shorter-than-normal ELT time may be due to:
The test may also be done to diagnose or rule out:
What the risks are:
There is very little risk involved with having your blood taken. Veins and arteries vary in size from one patient to another and from one side of the body to the other. Taking blood from some people may be more difficult than from others.
Other risks associated with having blood drawn are slight but may include:
- Excessive bleeding
- Fainting or feeling light-headed
- Hematoma (blood accumulating under the skin)
- Infection (a slight risk any time the skin is broken)
Heavy exercise can cause a shorter-than-normal ELT time.
Increasing age and certain medicines, including corticosteroids, ACTH, streptokinase, and urokinase can cause a longer-than-normal ELT time.
Schafer A. Hemorrhagic disorders: Disseminated intravascular coagulation, liver failure, and vitamin K deficiency. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 181.