15 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... Dermatomyositis, Lung ... #Sign #Infectious ... #pulmonary
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... Organizing Pneumonia ... #diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... • CT: Halo sign ... Constitutional symptoms ... #AIDS #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
- Lung point ... pleura reflection) Pneumonia ... - Dynamic air ... #differential #diagnosis ... #signs #Lung #POCUS
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... lat decubitus - air ... CT Lung Abscess ... #Abscess #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation Symptoms ... Most Common Causes ... Nasal polyps and signs ... thickening, presence of air-fluid ... CT) • Broncho-arterial
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Amiodarone Induced Lung ... • Amiodarone half ... gradually with symptoms ... failure - Infectious ... Improvement in symptoms
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Also known as: Lung ... • Recurrent pneumonia ... CT • Bronchoscopy ... Causes: • Mycobacterium ... Noninfectious Causes
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Auto-immune attack on hair ... inflammation tends to cause ... disease/pulmonary ... pathophysiology #signs ... #symptoms #diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
confirm DAH, r/o infection ... or serologies + symptoms ... Goodpasture's cause ... sparing of the lung ... CT