1.2.3 Hemiplegic[^1] migraine

A 27-year-old software developer describes his third such attack. He describes flickering, bright zigzag lines appearing across his vision, together with a tingling numbness spreading across his lips and fingertips, followed almost immediately by heaviness and weakness down one arm. The whole visual and sensory disturbance lasted around 15 to 16 minutes by his own estimate before fading. A pulsing headache began about forty minutes after the visual symptoms started, while the arm was still weak. He mentions long hours at a computer screen and poor sleep, but reports no illicit drug use.