38 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Diagnosis Definition: A ... focal rounded area ... surrounded by a ... Dermatomyositis, Lung
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... pleura reflection) Pneumonia ... submassive PE) POCUS ... #differential # ... #Lung #POCUS #ultrasound
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain ... : • Focal pneumonia
Pneumonia on Lung Ultrasound looks like this: 
A-lines replaced by B-lines in an irregular stepladder appearance
Pneumonia on Lung ... like this: A-lines ... termed the Shred Sign ... #ultrasound #lung ... #pulmonary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Differential Bilat ... : Pulmonary edema ... a lot of B lines ... partially seen shred sign ... #ultrasound
ABCs of Lung Ultrasound - A-Lines, B-Lines, Consolidation
A-Profile - Air filled lung does not transmit sound
ABCs of Lung Ultrasound ... #ABCs #Lung #Profiles ... #Ultrasound #POCUS ... #Differential # ... Diagnosis #pulmonary
Hemothorax on Lung POCUS with Spine Sign

GSW to left chest.  Perisplenic window focusing on lower
POCUS with Spine ... Sign GSW to ... left chest. ... focusing on lower chest ... ultrasound #Pulmonary
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
hemorrhage • Pus: pneumonia ... atelectasis • Lung ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... Hypoxemia #Hypoxia #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... • Interstitial lung ... Malformation • Severe Pneumonia ... Abnormalities • Chest
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Imaging evidence of a ... chest infiltrate ... e.g., CXR, CT, ultrasound ... production, pleuritic chest ... pain) and signs