In 1658, in his Apoplexia, Johann Jacob Wepfer (1620–1695) identified the cause of hemorrhagic stroke when he suggested that people who had died of apoplexy had bleeding in their brains.
Godine 1658., u svojoj Apopleksiji, Johann Jacob Wepfer (1620. – 1695.) identificirao je uzrok hemoragijskog moždanog udara kada je sugerirao da su ljudi koji se umrli od apopleksije krvarili u mozgu.