85 results
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
Approach to Platypnea-Orthodeoxia Syndrome 
Platypnea: dyspnea when sitting or standing
Orthodeoxia: sPO2 drops > 5% in upright
Orthodeoxia: sPO2
Fine Ventricular Fibrillation on POCUS Echocardiogram (S4C) with Saline Contrast
POCUS may help you to spot fine
may help you to spot
Hypereosinophilia Different Diagnosis and Workup
Secondary causes are broad so start with a med review, the most
infections take the top spot