27 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... Causes: Mucormycosis ... Dermatomyositis, Lung ... #Differential #
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Colon, Kidney, Breast ... , Testicle) Infection ... Diagnosis #Algorithm #Causes ... #Pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... Nasal polyps and signs ... in the adjacent lung ... #differential #
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Differential Diagnosis ... (JVP, edema), Lung ... POCUS (B-lines, lung ... STAT CXR, CTA Chest ... , Echocardiogram
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Abscess Differential ... #Abscess #pulmonary ... #differential # ... causes #management
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... Differential Bilat ... : Pulmonary edema ... interstitial diffuse infections ... partially seen shred sign
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... since in many cases ... we describe a chest ... #CXR #Lucency #Differential ... #Pulmonary #Diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
confirm DAH, r/o infection ... • Echocardiogram ... Goodpasture's cause ... sparing of the lung ... #diagnosis #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... - gastric and breast ... lymphocytic interstitial lung ... and M panel Management ... DDX - Other causes
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
skin (esp. over areas ... inflammation tends to cause ... interstitial lung ... disease/pulmonary ... pathophysiology #signs