Henry Hudson wanted to find a northern passage to India. He thought that, since the sun shined most of the summer on the North Pole, the ice there would melt in the summer. Perhaps he could sail right over the top of the world to India.
Recovering after a subarachnoid haemorrhage can also be a slow and frustrating process, and it's common to have problems such as: 1  extreme tiredness. 2  headaches. 3  problems sleeping.
CSF findings suggesting subarachnoid hemorrhage include numerous RBCs, xanthochromia, and increased pressure. RBCs in CSF may also be caused by traumatic lumbar puncture. Traumatic lumbar puncture is suspected if the RBC count decreases in tubes of CSF drawn sequentially during the same lumbar puncture.