218 results
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Central Retinal ... Blood and thunder" fundoscoplc ... intravitreal) #Central ... Occlusion #CRVO #Diagnosis ... #Clinical #Fundoscopy
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... located in the central ... Second most common cause ... disease (Most common cause ... Ophthalmology #Fundoscopy
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Usual cause is glaucoma ... Glaucoma causes ... of optic nerve axons ... OpticDisc #Cupping #fundoscopy
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... ganglion cell axons ... CottonWool #Spots #fundoscopy
Unmeasured Anions Associated with an Elevated Anion Gap and Metabolic Acidosis

#Unmeasured #Anions #Gap #Metabolic #Acidosis #Diagnosis
Unmeasured Anions ... #Unmeasured #Anions ... Metabolic #Acidosis #Diagnosis ... #Differential #Causes
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... isosorbide) #Central ... Occlusion #CRAO #Diagnosis ... #Clinical #Fundoscopy
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... Diagnosis of Central ... #Differential #Diagnosis ... #Central #Cardiology ... #Causes #Table
Approach to Nausea / Vomiting - Differential Diagnosis Framework
 • Gastrointestinal 
    -
Approach to Nausea ... - Differential Diagnosis ... Inflammatory • Central ... Disorders • Other Causes ... #Differential #Diagnosis
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... - Differential Diagnosis ... Forehead Sparing = Central ... cause - Most ... #Differential #Diagnosis
Causes of Peripheral and Central Vertigo

Peripheral Vertigo:
 - Benign Positional Vertigo
 - Vestibular Neuronitis
 - Meniere's
Causes of Peripheral ... and Central Vertigo ... Vertigo #Diagnosis ... Differential #Vertigo #Causes ... #Central #Peripheral