26 results
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... ), Lung Exam, POCUS ... (B-lines, lung ... STAT CXR, CTA Chest ... diagnosis #Management #treatment
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Differential Bilat ... B lines/lung sliding ... : Pulmonary edema ... RJonesSonoEM #BLines ... #ultrasound
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
hemorrhage • Pus: pneumonia ... • Water: pulmonary ... edema • Air: ... atelectasis • Lung ... #Hypoxia #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Malformation • Severe Pneumonia ... Abnormalities • Chest ... #Hypoxia #Differential
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Diseases - Pneumonia ... Edema - Congestive ... Radiology #Patterns #Lung ... #CXR #XRay #ChestCT ... #Differential #
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... pleura reflection) Pneumonia ... Edema: - Widespread ... #differential # ... #POCUS #ultrasound
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... Edema, Atelectasis ... , Obstructive Lung ... #Hypoxia #hypoxemia ... #differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • Pleuritic chest ... lymphadenopathy, • Abdominal ... Infections #HIV #AIDS #pulmonary ... #differential #
A-Lines vs B-Lines on Lung POCUS
A-Lines:
 • Predominately horizontal lines
 • A-lines are repeated horizontal &
Commonly seen in pulmonary ... edema, ARDS, pneumonia ... - MCW EM Ultrasound ... #BLines #Lung # ... POCUS #pulmonary
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
based on three lines ... evidence of a chest ... e.g., CXR, CT, ultrasound ... signs (tachypnea, hypoxemia ... #Pneumonia #Venn