<unk>  is used to describe pathological conditions caused by brain ischemia or hemorrhage.  According to the American Heart Association/American<unk>  Association (July, 2013),  it is defined as a neurological deficit attributed to an acute focal injury of the central nervous system (CNS) by a vascular cause, including cerebral infarction, intracerebral hemorrhage (ICH), and subarachnoid hemorrhage (SAH). Therefore, by definition, trauma has to be ruled out before<unk>  can be diagnosed in a patient with a focal neurological deficit.
Stroke
Epilepsy
Subarachnoid hemorrhage
Migraine
Brain ischemia
Ischemic stroke
Hemorrhagic stroke
Migraine risk factors