20 results
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... bacteria: Viral, Fungal ... lines, osteo, endocarditis ... (daptomycin in lungs ... • Secondary to Treatment
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... seen • Chest CT ... Prevotella • Fungal ... #Abscess #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... - Endemic fungi ... thyroid, melanoma, renal ... #pulmonary #CXR ... #clinical #CT
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
are caused by members ... presentations: • Pulmonary ... Endophthalmitis, Endocarditis ... #Management #treatment ... #fungal #infectiousdiseases
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... Immunodeficiency 3) Infection ... Bacterial, TB, NTM, Fungal ... Bronchiectasis #pulmonary ... #diagnosis #differential
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
- Differential Diagnosis ... Parenchyma: • Infection ... Ebola, Dengue), Fungal ... regurgitation, Tricuspid endocarditis ... #pulmonary #causes
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... Reticular: • Septal ... (TB, Fungal) ... #pulmonary #radiology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... confirm DAH, r/o infection ... Goodpasture's cause ... sparing of the lung ... #management #treatment
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
: • Direct fungal ... arthroconidia; the fungus ... change in the lungs ... arthritis, and endocarditis ... nails, bronchi, lungs
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... in the adjacent lung ... high-resolution chest CT ... mycobacteria Treatment