RAPD (Relative afferent pupillary defect ) Theory and practical description on a patient . Please do share with your colleagues | Dr. Arshad Mehmood - Child Specialist

RAPD - Relative afferent pupillary defect - optic neuritis #drarshadchildspecialist | Dr. Arshad Mehmood - Child Specialist

👁️ The earliest clue to optic nerve damage? RAPD – Relative Afferent Pupillary Defect. Quick to miss, crucial to catch. 📌 Save this gem for NEET PG prep. . . #neetpg #ophthofacts #rapd #clinicalsigns #prepladder #medstudenttips #pgprep #medical #medicalstudent #medicalstudy #medicalpreparation | PrepLadder Medical

This is called a “Marcus Gunn” pupil and the test is the swinging flashlight test. Before I go on, this truly awesome video example is from @maxneurovet. He has a membership to learn more about veterinary neurology on Skool too! Check him out! ALSO 🎉The Ultimate Veterinary Notes bundle has a helpful section that dives further into PLR interpretation. 👉Comment “PLR” to learn more. EXPLANATION (and hopefully I got this right….) The lesion is in the “AFFERENT” pathway of the Right eye and the pat

Marcus Gunn Pupil

Abnormal Pupils Made Easy 🔹 Afferent Pathway Abnormalities Marcus Gunn pupil (Relative Afferent Pupillary Defect – RAPD) 🔹 Efferent / Parasympathetic Abnormalities Oculomotor nerve palsy (CN III palsy) – dilated, non-reactive pupil Adie’s (Tonic) pupil Pharmacologic mydriasis 🔹 Sympathetic Pathway Abnormalities Horner syndrome – miosis, ptosis, anhidrosis 🔹 Midbrain / Brainstem Syndromes Argyll Robertson pupil – light-near dissociation Light-near dissociation (general category) Parinaud (dor