303 results
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... • Cherry red spot ... • Immediate ophthalmology ... isosorbide) #Central ... Clinical #Fundoscopy #Ophthalmology
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Central retinal ... Positive "spot sign ... MaimoUltrasound #CRAO #Central
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Central Retinal ... Management: • Ophthalmology ... intravitreal) #Central ... Clinical #Fundoscopy #Ophthalmology
92F w acute painless monocular vision loss. What's the diagnosis?

...

Central retinal artery occlusion (CRAO)! Retrobulbar "spot
Central retinal ... Retrobulbar "spot ... CRAO #SpotSign #Central
Central Retinal Artery Occlusion (CRAO) vs Central Retinal Vein Occlusion (CRVO) - A Comparison Table

Clinical Features,
Central Retinal ... Occlusion (CRAO) vs Central ... #CRAO #CRVO #Ophthalmology
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
measured on ABG) SaO2 ... output) - Low SvO2 ... Low CaO2 → Low SvO2 ... High PaO2, High SvO2 ... summary #pulmonary #differential
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
measurements ● Central ... oxyhemoglobin saturation (SvO2 ... x 13.4 x Hb x SaO2 ... 13.4 x Hb conc x [SaO2 ... – SvO2]) RA pressures
Non-ischemic CRVO - Fundoscopy Ocular Examination

Non-ischemic Central Retinal Vein Occlusion (CRVO) 

Dr. Sebastian Vega @oftalmopo

#Nonischemic #CRVO
Non-ischemic Central ... Nonischemic #CRVO #Central ... clinical #video #ophthalmology
Ocular Ultrasound Pocketcard
Painless Vision Loss
 • Retinal Detachment 
 • Posterior Vitreous Detachment 
 • Vitreous
Hemorrhage • Central ... Ultrasound #pocus #differential ... diagnosis #radiology #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Retinal Detachment, Central ... Artery Occlusion, Central ... #Vision #Loss #Differential ... Diagnosis #causes #ophthalmology