9 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Hypoventilation Syndrome ... Abnormalities • Chest ... #Diagnosis #Algorithm
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Possible bilateral effusion ... Respiratory Distress Syndrome ... submassive PE) POCUS ... #differential #diagnosis ... #signs #Lung #POCUS
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
POCUS Pulmonary ... - What’s the diagnosis ... #clinical #video ... #POCUS #pulmonary ... #Lung
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
consolidation - Pleural effusion ... alveolar interstitial syndrome ... patients with pulmonary ... #ultrasound #POCUS ... #Diagnosis #Signs
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
be present on a chest ... explained by pleural effusions ... lobar collapse, lung ... severity of the hypoxemia ... Definition #Criteria #Diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Loss of weight • Chest ... Nasal polyps and signs ... in the adjacent lung ... of the affected lung
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Pneumonia: • 3 syndromes ... • CT: Halo sign ... pneumonia, pleural effusion ... Infections #HIV #AIDS #pulmonary
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
disease, pleuritic chest ... consider infarction, hypoxia ... hyperventilation syndrome—a ... Breathing #Patterns #Pulmonary ... Abnormalities #Abnormal #Diagnosis