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What test a screening test to evaluate platelet function and to monitor changes in the blood associated with chemotherapy and radiation therapy?
Platelet Count
What machine is used to count platelets in an aggregation test?
The platelet aggregation test uses a machine called an aggregometer to measure the cloudiness (turbidity) of blood plasma
How does a platelet aggregation test work?
aids in the evaluation of bleeding disorders by measuring the rate and degree to which platelets form a clump (aggregate) after the addition of a chemical that stimulates clumping (aggregation).
Are there any medication restrictions before a platelet aggregation test?
There are many medications that can affect the results of the platelet aggregation test. The patient should discontinue as many as possible beforehand.
Can taking aspirin help to disperse a haematoma?
aspirin decrease platelet aggregation
What is the Platelet Count Test?
What is the Platelet Count Test?
What is an aminochromone?
An aminochromone is an amino derivative of a chromone, some of which block human platelet aggregation.
What kind of inhibitor is carbon monoxide?
Carbon monoxide inhibit blood platelet aggregation.
How does aspirin work to inhibit platelet aggregation?
Aspirin works by blocking an enzyme called cyclooxygenase, which is needed for the production of certain chemicals that promote platelet aggregation. By inhibiting this enzyme, aspirin helps prevent platelets from sticking together and forming blood clots.
What risks are associated with a platelet aggregation test?
Risks for this test are minimal in normal individuals. Patients with bleeding disorders, however, may have prolonged bleeding from the puncture wound or the formation of a bruise (hematoma) under the skin where the blood was withdrawn.
What medications affect platelet aggregation tests?
drugs that can decrease platelet aggregation include aspirin, some antibiotics, beta blockers, dextran (Macrodex), alcohol, heparin (Lipo-Hepin), nonsteroidal anti-inflammatory drugs (NSAIDs), tricyclic antidepressants, and warfarin
What opposes the action of thromboxane A2?
Prostacyclin (PGI2) opposes the action of thromboxane A2. They are both derived from arachidonic acid and have opposite effects on platelet aggregation and blood clot formation. Prostacyclin acts as a vasodilator and inhibits platelet aggregation, counteracting the pro-thrombotic effects of thromboxane A2.
