25 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Diagnosis Algorithm ... • Interstitial lung ... Intracardiac Right to Left ... Defect ** • Atrial ... Pulmonary Right to Left
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
On the left three ... patients with lung ... From left to right ... #Clinical #Diagnosis ... #Radiology #CTChest
Hemothorax on Lung POCUS with Spine Sign

GSW to left chest.  Perisplenic window focusing on lower
Sign GSW to left ... Diagnosis? ... Answer: Left hemothorax ... to the adjacent left ... Sign #clinical #
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Pneumonia on Chest ... pneumonia in lower left ... #CXR #Comparison ... #Clinical #Lung ... #Pulmonary #Clinical
Pneumothorax Diagnosis on M-Mode

Left Lung: Normal sliding, sandy beach appearance

Right Lung: No lung sliding, Barcode Sign!

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Pneumothorax Diagnosis ... on M-Mode Left ... Barcode #Sign #POCUS ... #Diagnosis #Comparison ... #Clinical #Pulmonary
Lung pulse shown by transducer placed on right and left anterolateral chest walls. Notice how the
placed on right and left ... pulsating heart, the left-sided ... #POCUS #LungPulse ... #Normal #Left # ... Comparison #Right
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
On the left some ... #Clinical #Diagnosis ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Gradient • Right to Left ... Embolism, Obstructive Lung ... , Interstitial Lung ... Hypoxia #hypoxemia #differential ... #diagnosis
This is a parasternal long axis view of a young patient presenting with 3 days of
a parasternal long ... aortic root, and left ... atrium should roughly ... Northwestern University #Clinical ... EM #Radiology #POCUS
COVID-19 on Lung POCUS

Day 4 after COVID diagnosis. More cough & tiredness (very badly), still no
COVID-19 on Lung ... after COVID diagnosis ... still no dyspnea/chest ... on resolution, Left ... Consolidations #COVID19 #clinical