What is the ptt blood test?

Clotting factors: This is a screen for several clotting factors, and substances that can interfere with them.

Clot Time Measure: This is a test general used in the hospital to measure who long it takes it clot, usually used to measure the use action of a clot prevention medication called Heparin. It is also used as a screening test to check for people who may have clotting abnormalities, either getting clots or bleeding excessively. Keep in mind it is a screening and if abnormalities are found other tests will be done.