60 results
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... #physicalexam #clinical ... #video #neurology ... #ophthalmology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Vertigo - Differential ... unidirectonal nystagmus ... bidirectional nystagmus ... • Transient Ischemic ... #Differential #
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... Diplopia TIER 1-CRITICAL ... Ophthalmoplegic migraine, Ischemic ... mass #Diplopia #differential ... #diagnosis #ophthalmology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Injury (AKI) - Differential ... Abdominal Compartment Syndrome ... Other • ATN: Ischemia ... #Diagnosis #nephrology ... #causes #algorithm
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central Causes ... Vertigo Peripheral Causes ... Stroke / transient ischemic ... #differential # ... diagnosis #neurology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Pathogenesis and clinical ... re-vascularize the ischemic ... causes upregulation ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Optic Neuritis • Ischemic ... Midbrain (Parinaud's Syndrome ... Diagnosis #Algorithm #Causes ... #Ophthalmology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE) Clinical ... Demyelinating Syndrome ... Disease, PRES Pathophysiology ... autoantibodies that will cause ... ischemia and/or
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Diagnosis Algorithm Clinical ... a mass as the cause ... #DoubleVision #Differential ... #Ophthalmology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
- Wallenberg's Syndrome ... Artery occlusion) Clinical ... Findings: • Nausea ... vomiting/vertigo/nystagmus ... #Wallenbergs #neurology