231 results
Ramsay Hunt Syndrome - Herpes Zoster Oticus 
Triad:
1. Ipsilateral facial paralysis 
2. Ear pain 
3. Vesicles
Ramsay Hunt Syndrome ... syndromes #RamsayHunt
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
Hypoxemia vs Hypoxia ... Hypoxemia - Partial ... below normal Hypoxia ... without hypoxia ... without hypoxemia
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Right to Left Shunt ... Right to Left Shunt ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
An Algorithm for the Differential Diagnosis of Hypoxemia & Hypoxia

#Hypoxemia #Hypoxia #Algorithm #Differential #Diagnosis
Differential Diagnosis of Hypoxemia ... & Hypoxia #Hypoxemia ... #Hypoxia #Algorithm
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Right-to-Left Shunt ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Hypoxia and Hypoxemia ... - Overview Hypoxia ... to meet demands Hypoxemia ... common type of hypoxia ... common type of hypoxia
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Alkalosis • Shunt ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Causes of Generalized Hypoxia - Differential Diagnosis
 • Hypoxemic - Not enough O2 (Most Common)
 •
of Generalized Hypoxia ... Kumfer @AnnKumfer #Hypoxia ... Diagnosis #causes #hypoxemia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Right to Left Shunt ... - Anatomic Shunt ... - Physiologic Shunt ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
Hypovolemia, Hypoxia ... /Hypoxemia, Hydrogen