Neuromuscular: Guillain Barre Syndrome. Myasthenia Gravis. Myasthenic crisis.

Headache. Thunderclap headache. Subarachnoid Hemorrhage. Cerebral Sinus Venous Thrombosis. Carotid & Vert Artery Dissection. Reversible cerebral vasoconstriction. Spontaneous intracranial hypotension. SAH -CT. LP. Xanthochromia.