31 results
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Diagnosis by Distribution ... Hypersensitivity Pneumonitis ... , RB-ILD, Pneumoconiosis ... , Infectious Bronchiolitis
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Cough - Diagnostic ... , Pneumonitis, ACEi ... Autoimmune Vasculitis, ILD ... Malignancy: Lung ... Acute #Chronic #Differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... Pulmonary edema #Diagnosis ... #Table #Distribution
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Pneumonitis 3. ... Lung Abscess - Clinical ... Abscess Diagnosis ... Abscess Differential
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Diagnosis Framework ... Parenchyma: • Infection ... westermani, PNA, Lung ... abscess, Aspergillosis ... Goodpastures, Lupus Pneumonitis
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Diagnosis Algorithm ... Infection • ... Bacterial • Abscess ... Lung, Bladder, Colon ... #Causes #Hematology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
manifestations- Pneumonitis ... lesions • 80% with lung ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential ... #diagnosis #causes
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... #Clinical #Diagnosis ... NodularPattern #Differential ... #Comparison #Table
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Disease - Differential ... Diagnosis Algorithm ... intersitial space Infection ... Chronic Radiation Pneumonitis ... #Diseases #ILD
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Diagnosis Primary ... Manifestations: • Infection ... : Epidural abscess ... #primarycare #table