Partial Thromboplastin Time (PTT) The Partial thromboplastin time (PTT) take a look at also actions the velocity of clotting but differs from your PT exam in that it aims to determine how blood clots inside of a blood vessel (intrinsic pathway). Composed September 13, 2024 jahsec5 Very good write-up. I https://rg88.org/leorun/