7772 results
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 ... Occlusion #Embolus #Clinical
92F w acute painless monocular vision loss. What's the diagnosis?

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Central retinal artery occlusion (CRAO)! Retrobulbar "spot
Central retinal ... Retrobulbar "spot ... #Clinical #POCUS ... CRAO #SpotSign #Central
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... Occlusion (CRAO) Clinical ... • Cherry red spot ... isosorbide) #Central ... CRAO #Diagnosis #Clinical
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal ... intra-arterial spot ... sign” (arrow) c/w central ... Herbst @EUSmkh #Central ... Ocular #POCUS #clinical
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... Pathogenesis and clinical ... => Blockage of central ... retinal artery => Central ... -> Cherry-red spot
Blanching Spider Angioma (Nevus) on Physical Exam

Spider angiomas are usually benign but often can be suggestive
lesion contains a central ... , red spot and reddish ... as a 1 to 10 mm central ... #PhysicalExam #clinical
Oxygen Saturation - Measurement Techniques and Limitations
 • Sp02 - Cutaneous pulse oximeter
 • SaO2 Calculated
Limitations • Sp02 ... pulse oximeter • SaO2 ... ABG device • SaO2
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
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Features Between Central ... Arterial blood gas - pO2 ... Arterial blood gas - pO2 ... #Cyanosis #Central
Mechanical Ventilation: The Basics
In the most basic sense, ventilator modes are defined by their control variable
Assist Control / ... Volume Control ... ladder, FiO2: goal spO2 ... ladder, FiO2: goal spO2 ... -8, FiO2: goal spO2