Join this channel to get access to perks: https://www.youtube.com/channel/UCesNt4_Z-Pm41RzpAClfVcg/join Bleeding disorder can be either due to a problem in primary hemostasis or secondary hemostasis. Primary hemostasis related bleeding disorder are due to problems with platelets - either reduced production, increased consumption or increased destruction. Secondary hemostasis related bleeding disorders are caused by problems with the clotting factors - either a deficiency or presence of an inhibitor against the clotting factor. aPTT and PT are investigations used to see how effective the clotting factors are at forming a clot. A prolonged aPTT or PT means that the person has a tendency to bleed. Support me: š¼ļø Buy PDFs: http://armandoh.org/shop šµ Patreon: http://www.patreon.com/armando š Buy shirts: https://teespring.com/stores/ah-7 Social media: š· Instagram: http://instagram.com/armandohasudungan š¦ Twitter: https://twitter.com/armandohasudung š Facebook: https://www.facebook.com/ArmandoHasudungan Resources: š Books: http://armandoh.org/resource šļø Equipment: armandoh.org/armando-faigl You can send me mail: š« PO BOX 166, Randwick NSW 2031, Australia