93 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... disease • Pulmonary ... Malformation • Severe Pneumonia ... Abnormalities • Chest
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
hemorrhage • Pus: pneumonia ... • Water: pulmonary ... atelectasis • Lung ... MG, ALS) • ↓ chest ... Algorithm #rapid #pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... : • Chest pain ... Infections #HIV #AIDS #pulmonary
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... anteriorly in the left lung ... Sterptococcus pneumoniae ... Radiology #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
Paradoxical Breathing on Physical Exam

Paradoxical breathing is often a sign of breathing problems. It causes the
Paradoxical Breathing ... breathing is often a sign ... It causes the chest ... includes flail chest ... clinical #video #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
: Interstitial lung ... diseases, pulmonary ... ventilation (V) in the lungs ... • Causes: Pneumonia ... bypassing the lungs
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
Hoover's Sign ... hyperexpansion of the lungs ... downwards, thereby paradoxically ... Pulmonary #COPD ... Clinical #Breathing #Paradoxical
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... evidence of a chest ... pain) and signs ... (tachypnea, hypoxemia ... #Pneumonia #Venn
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... #Hypoxia #hypoxemia
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Findings on Chest ... Reverse Halo Sign ... Organizing Pneumonia ... #Pulmonary #ChestCT