One of my relative gone through an operation. This was unknown to us as common man that headache may be so serious one. She got severe headache on 31 Mar 08, after reaching at hospital within 10 minutes, we came to know that she has got intraventricular haemmorradge. Iintraventricular haemmorradge is blockage of blood in brain. Basically, i wanted to tell you about this desease which is not known to everyone.