A 58-year-old man treated with intravenous gentamicin for endocarditis 18 months ago reports difficulty reading street signs while walking and a sensation of the world bouncing. No vertigo, no hearing loss. Romberg is positive with eyes closed.
RCT pattern
Three-panel SHA summary. Shaded green = published normal band. Solid marker = patient/archetype curve; dashed = overlaid reference if shown.