27 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... : Aspergillus, Cryptococcus ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... shows a small, stable ... Dermatitidis - Cryptococcus ... #pulmonary #differential ... #causes #management
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Causes of Cough ... Bronchiectasis - Pulmonary ... Tuberculosis - Lung Abscess ... Mitral Stenosis - Pulmonary ... #Table
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
histoplasmosis, cryptococcus ... Syphilis • Pyogenic Abscess ... differential #diagnosis #causes
Causes of Pediatric Stridor - Differential Diagnosis Algorithm
Present Since Infancy with No Respiratory Distress:
 • Laryngomalacia
Present
Causes of Pediatric ... Differential Diagnosis Algorithm ... Retropharyngeal Abscess ... #Causes #Peds # ... Pediatrics #Pulmonary
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Differential Diagnosis Algorithm ... Bronchiectasis • Abscess ... Differential #Diagnosis #Algorithm ... #Causes #Pulmonary
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
appearances of pulmonary ... Coccidioides spp., Cryptococcus ... Drug toxicity, Pulmonary ... Metastatic disease, Pulmonary ... complex • Nodular/Masses
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Differential Diagnosis Algorithm ... • Subphrenic abscess ... Malignancy • Pulmonary ... #Hepatology #causes
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Differential Diagnosis Algorithm ... Infarction • Stable ... • Myocarditis Pulmonary ... Vascular • Pulmonary ... Differential #Diagnosis #Algorithm
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Differential Diagnosis Algorithm ... Artery Disease • Stable ... Differential #Diagnosis #Algorithm ... #Causes