559 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 ... Embolus #Clinical #POCUS
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
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Features Between Central ... therapy - Pulmonary cause ... Arterial blood gas - pO2 ... Arterial blood gas - pO2 ... #Cyanosis #Central
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 ... differential #diagnosis #causes
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... • Cherry red spot ... isosorbide) #Central
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
Approach to Nausea / Vomiting - Differential Diagnosis Framework
 • Gastrointestinal 
    -
Approach to Nausea ... Inflammatory • Central ... Disorders • Other Causes ... /AnthonyXuMD #Nausea
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
Causes of Peripheral and Central Vertigo

Peripheral Vertigo:
 - Benign Positional Vertigo
 - Vestibular Neuronitis
 - Meniere's
Causes of Peripheral ... and Central Vertigo ... Acoustic Neuroma Central ... Differential #Vertigo #Causes ... #Central #Peripheral
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Dizziness - Central ... and Peripheral Causes ... Differential Diagnosis Central ... Causes: • Cerebrovascular ... #Dizziness #Central