MedSchool: Ace Your OSCEsThe Medical Company
GET - On the App Store

Retrograde Amnesia



  • The ability to recall old memories prior to significant brain injury or psycho-trauma.
    • Ask About

    • Recent memory - what is my name; what did you have for breakfast; what meds did you take today?
    • Remote memory - when and where did you get married?
    • Causes of Amnesia

    • Intracranial - stroke, trauma, tumour, infection, epilepsy, degenerative disease
    • Substances - intoxication, withdrawal, Korsakoff’s
    • Psychiatric - schizophrenia, psychogenic amnesia
    • Insufficiency - liver, heart, kidneys
    • Hypoxia / anoxia
    • Malingering
    • Interpretation

    • Loss of recent memory (minutes or hours prior to injury)Mild to moderate brain damage (concussion)
    • Loss of remote memory (months of years)Convulsive therapy
    • Temporal grading: sparing of the most distant memoriesKorsakoff syndrome, thalamic or frontal damage
    • Flat profile: equal loss of memory with no temporal gradingHerpes simplex encephalitis, multiple sclerosis, frontotemporal dementia
Want more info like this?
  • Your electronic clinical medicine handbook
  • Guides to help pass your exams
  • Tools every medical student needs
  • Quick diagrams to have the answers, fast
  • Quizzes to test your knowledge
Sign Up Now