NEET PG-Cavernous Sinus Thrombosis-Ophthalmology скачать в хорошем качестве

NEET PG-Cavernous Sinus Thrombosis-Ophthalmology

To view more videos download our ophthalmology app at https://play.google.com/store/apps/de... CAVERNOUS SINUSES@0:10 • Present in middle cranial fossa just behind the orbit • Connected by inter cavernous sinus • Inter cavernous sinus has no valves • Infection can transmit from one sinus to the other very easily Structures Of Cavernous Sinus@1:11 • Oculomotor Nerve [III] • Trochlear Nerve [IV] • Ophthalmic Nerve [V1] • Maxillary Nerve [V2] • Abducens Nerve [VI] • Internal Carotid Artery • Pituitary Gland Cavernous Sinus Thrombosis@2:10 Clinical Features- • Proptosis, Chemosis, Extra ocular muscle paralysis • Earliest sign → 6th nerve palsy • B/L within 48 hours • CNS Symptoms → Disorientation, drowsiness, coma Treatment- • IV Antibiotics • IV Heparin • Steroids Differential Diagnosis-@4:04 • SOFS → Superior Orbital Fissure Syndrome • CSS → Cavernous Sinus Syndrome • OAS → Orbital Apex Syndrome → Loss of vision due to optic nerve involvement distinguishes OAS from the other two