9 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Simplified A-a (assumes Room ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... Atelectasis, ARDS, Pneumonia ... Hypoxia #hypoxemia #differential
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
muscle weakness • Absent ... • Weakness: Starts ... • Decreased / Absent ... : Due to nerve root ... #diagnosis #management
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... Respiratory Distress Syndrome ... submassive PE) POCUS ... #differential # ... #signs #Lung #POCUS
Lung sliding & pneumonia on POCUS
The differential diagnosis for absence of lung sliding includes pneumonia; however,
Lung sliding & pneumonia ... on POCUS The differential ... diagnosis for absence ... #POCUS #clinical ... #ultrasound #pulmonary
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... disease and in the absence ... be performed on room ... and older) on room ... hepatopulmonary #syndrome
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... Streptococcus pneumoniae ... - Ramsay Hunt syndrome ... cervical nerve roots—cervical ... vision or black spots
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... interval J Wave Syndromes ... aVL, V5-6) - Absence ... QRS complex Pulmonary ... Segment #Elevation #differential
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
to be in ADHF starts ... with presence of pulmonary ... acute coronary syndrome ... #diagnosis #differential ... #algorithm #management
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
Reconstitution Inflammatory Syndrome ... cryptococcomas, cavitating pneumonia ... #Inflammatory #Syndrome ... #Differential # ... Diagnosis #Management