symptoms: dizziness, vomiting, headache, unsteady and wobbly on his feet, can t control arm movement, earlier he couldn t process what someone was saying to him, ringing in ear, sharp pain in one part of his head, high blood pressure 219 over 120; now in the ER but still can t stop vomiting after 3 different kinds of nausea medications. waiting for MRI... might you have any idea what this could be?