sudden onset of extreme dizzinesssudden onset vertigo and headachesevere vertigo sudden onsetsudden onset of dizziness and fatiguesudden onset vertigo and nauseaquick onset of dizzinesstransient vertical diplopiamonocular vertical diplopiasudden onset dizzy spellsbinocular vertical diplopiasudden onset of dizziness and sweatingsudden onset lightheadedness