71 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
, Brucella spp, ... , Legionella spp ... BCNIE #Causes #differential ... InfectiousDiseases #Microbiology ... #CNIE #BCNIE #cardiology
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
for enumerating differentials ... - Legionella spp ... MAC (structural lung ... Pathogens #Pneumonia #Differential ... #Microbiology #
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
two ill-defined ... densities iin the left lung ... cavitation in the right lung ... #Clinical #Radiology ... #CXR #CTChest #
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... - Emphysema - Lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential
Posterior Mediastinal Mass - Differential Diagnosis
 • Neurofibroma
 • Neurosarcoma
 • Neuroblastoma
 • Ganglioneuroma
 • Meningocele
Mediastinal Mass - Differential ... • Small cell lung ... Mediastinal #Mass #Differential ... Diagnosis #pulmonary #radiology ... #chest
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... PSS: Sjogren syndrome ... ConnectiveTissueDiseases #ILD ... CTILD #Diagnosis #Differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... throughout the lungs ... inhalational injury Differential ... , Sarcoidosis, HSP ... #Radiology #differential
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
, Coccidioides spp ... ; Actinomyces spp ... ., NHL; Lung cancer ... pulmonary #diseases #differential ... diagnosis #chestCT #radiology
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Pericardial Effusion - Differential ... , Pneumococcus spp ... - Metastatic: Lung ... Pericardial #Effusion #Differential ... Diagnosis #Causes #cardiology