SpO2 - GrepMed

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Pulse oximetry and Capnography:

Essential tools for monitoring respiratory health, but they serve different purposes:

Pulse Oximetry:
Measures

oxygen saturation (SpO₂ ... Normal SpO₂ is 95 ... While SpO2 monitors ... respiratory events than SpO2 ... #EtCo2 #SpO2 #Pulseoximetry

Causes of Falsely Low Oxygen Saturation - Discordant SpO2 & PaO2
• Motion
• Low

Saturation - Discordant SpO2 ... Saturation #Discordant #SpO2

Management of Apnea in Procedural Sedation
• Apnea Definition: The cessation of breathing for more than

desaturations (SPO2

Mechanical Ventilation: The Basics
In the most basic sense, ventilator modes are defined by their control variable

ladder, FiO2: goal spO2 ... ladder, FiO2: goal spO2 ... -8, FiO2: goal spO2

Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset

Positive "spot sign

Halo Sign in Basal Skull Fracture

Halo of lighter liquid around blood spot on the cloth indicates

liquid around blood spot

92F w acute painless monocular vision loss. What's the diagnosis?

...

Central retinal artery occlusion (CRAO)! Retrobulbar "spot

Retrobulbar "spot

Central Retinal Artery Occlusion (CRAO)
Clinical:
• Sudden, painless, complete loss of vision
• Pale retina

• Cherry red spot

Hypereosinophilia Different Diagnosis and Workup
Secondary causes are broad so start with a med review, the most

infections take the top spot

Fine Ventricular Fibrillation on POCUS Echocardiogram (S4C) with Saline Contrast
POCUS may help you to spot fine

may help you to spot

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