A 39-year-old woman presented with a recurrent headache and dizziness for 6 months. Physical examination and laboratory tests were unremarkable, and the electrocardiogram indicated sinus rhythm.
A 39-year-old woman presented with a recurrent headache and dizziness for 6 months. Physical examination and laboratory tests were unremarkable, and the electrocardiogram indicated sinus rhythm.
A 39-year-old woman presented...