Vitamin K deficiency bleeding (VKDB) of newborns (Earlier, Haemorrhagic Disease of Newborns/ HDN)

What is Vitamin K deficiency bleeding of the newborn (VKDB), previously called ‘ Haemorrhagic Disease of Newborns’? Why does it occur ? Why Vitamin K is called Vitamin K ? Why such spontaneous bleeding is seen in a newborn caused by a deficiency of vitamin K dependent-coagulation factors? What are the laboratory findings seen in newborns with VKDB or Haemorrhagic Diseases of Newborn ( HDN)?? A #pathology360 Original Series . #medicine #pathology #haematology #medicine #medico #usmle #neetpg #md #mbbs #mbbsabroad #neetpg #mbbsstudent #neetpgpreparation #instalecture #drkishorebanerjee #medical #usmleexams #usmleprep #residents #plab1 #aiimsdelhi