7 results
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... cases - Dynamic air ... Edema: - Widespread ... #differential # ... diagnosis #signs
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Edema, Atelectasis ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential ... #diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... embolism, Pulm edema ... Evaluation: Imaging (CXR ... +/- High res CT ... HIVAIDS #workup #diagnosis
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Differential Diagnosis ... brain injury, cerebral ... nervous system injury ... respiratory failure or ARDS ... #differential #diagnosis
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
is a radiologic sign ... hump along may aid ... in the diagnosis ... CT angiography. ... #photo #CXR #EmergencyMedicine
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... Nasal polyps and signs ... thickening, presence of air-fluid ... CT) • Broncho-arterial ... #differential #
TRALI Diagnostic Criteria
TRALI type 1 - Patients who have no risk factors for ARDS and meet
< 90% on room air ... edema on imaging ... (eg. chest chest ... CT, or ultrasound ... #Criteria #pulmonary