7384 results
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Occlusion (CRAO) Clinical ... • Cherry red spot ... • Immediate ophthalmology ... CRAO #Diagnosis #Clinical ... #Fundoscopy #Ophthalmology
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
intra-arterial spot ... Ocular #POCUS #clinical ... #ultrasound #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Pathogenesis and clinical ... -> Cherry-red spot ... pathophysiology #ophthalmology
Oxygen Saturation - Measurement Techniques and Limitations
 • Sp02 - Cutaneous pulse oximeter
 • SaO2 Calculated
Limitations • Sp02 ... pulse oximeter • SaO2 ... ABG device • SaO2
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
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
oxyhemoglobin saturation (SvO2 ... x 13.4 x Hb x SaO2 ... 13.4 x Hb conc x [SaO2 ... – SvO2]) RA pressures
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Occlusion (CRVO) Clinical ... Management: • Ophthalmology ... CRVO #Diagnosis #Clinical ... #Fundoscopy #Ophthalmology
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Positive "spot sign ... Occlusion #Embolus #Clinical
Management of Apnea in Procedural Sedation
 • Apnea Definition: The cessation of breathing for more than
desaturations (SPO2
Normal fundus on fundoscopy

#Normal #fundus #fundoscopy #ophthalmology #labeled #anatomy #Clinical
fundus #fundoscopy #ophthalmology ... labeled #anatomy #Clinical