33 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... Constitutional symptoms ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... pleura in severe cases ... submassive PE) POCUS ... #differential #diagnosis ... #signs #Lung #POCUS
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... • Infectious Causes ... Non-Infectious Causes ... Dermatomyositis, Lung ... #pulmonary
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 ... Organizing Pneumonia ... #Pulmonary #ChestCT ... #radiology #CTChest ... #diagnosis
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Lung POCUS Young ... POCUS lung exam ... sliding: Pulmonary ... partially seen shred sign ... NOT definitively diagnose
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... Malformation • Severe Pneumonia ... Abnormalities • Chest
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... symptoms (e.g., ... pain) and signs ... #Pneumonia #Venn ... #Pulmonolary
Hemothorax on Lung POCUS with Spine Sign

GSW to left chest.  Perisplenic window focusing on lower
POCUS with Spine ... Sign GSW to ... Diagnosis? ... #POCUS #Spine # ... ultrasound #Pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... indicates unknown cause ... involvement of the lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... : Aspiration pneumonia ... #Abscess #pulmonary ... #differential #causes