Hemophilia

Hemophilia

TL;DR Hemophilia is an inherited coagulation disorder caused by mutations on factor VIII gene leading to deficiency in plasma factor VIII for hemophilia A while mutations on factor IX gene for hemophilia B causes decreased factor IX. It is an X-linked recessive...
Hemorrhagic Disease of the Newborn

Hemorrhagic Disease of the Newborn

TL;DR Hemorrhagic disease of the newborn is a vitamin K deficiency bleeding disorder that occurs in newborns caused by lack of vitamin K.  Causes Liver cell immaturity Lack of gut bacterial synthesis Low quantities in breastmilk Laboratory diagnosis ▾ Abnormal PT and...
von Willebrand Disorder (vWD)

von Willebrand Disorder (vWD)

TL;DR Von Willebrand disease or disorder is an inherited coagulation disorder caused by mutations in the von Willebrand factor (vWF). vWF is a factor VIII carrier protein and mediates platelet adhesion to endothelium Pathogenesis ▾ Quantitative deficiency Type 1:...