933 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
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 ... CRAO #SpotSign #Central
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... • Cherry red spot ... isosorbide) #Central
Roth spot is a feature of Infective endocarditis.Peripheral haemorrhagic spots with central pallor.
#rothspot #medicine
Roth spot is a feature ... haemorrhagic spots with central
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
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... => Blockage of central ... retinal artery => Central ... -> Cherry-red spot
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
breath sounds, SpO2 ... Consider rate control ... Also consider: central
Oxygen Saturation - Measurement Techniques and Limitations
 • Sp02 - Cutaneous pulse oximeter
 • SaO2 Calculated
Limitations • Sp02 ... pulse oximeter • SaO2 ... ABG device • SaO2
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
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