17 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... Necrotizing Pneumonia ... Emboli, Fungal Infection ... Fungal, Parasitic, Viral ... lesion #pulmonary #differential
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary infections ... immunofluorescence, PCR ... - Viral pneumonia ... Patterns #Pulmonary #Lung ... #Differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • Pleuritic CP ... Cytopenias VIRAL ... #Infections #HIV
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
identified, Strep pneumoniae ... Nocardia asteroides Viral ... failure, COPD, Lung ... Ag, Respiratory viral ... diagnosis #evaluation #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Opacities: • Infectious ... rarely typical pneumonia ... pathogens - Viral ... diagnosis #pulmonary #CXR
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... Differential Bilat ... interstitial diffuse infections ... had Mycoplasma pneumonia ... #ultrasound
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... 104°F) • Lobar pneumonia ... gram-negative pneumonia ... Brucellosis • Liver or lung ... Fever #Patterns #Differential
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
Chest X-ray - Lung ... ultrasound (thorough ... Nasopharyngeal PCR ... RSV, and other viral ... - CBC with differential
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
very important to differentiate ... will limit the differential ... - Lung neoplasms ... - Chronic post-infection ... Radiology #Pulmonary #CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... cause: Aspiration pneumonia ... for Klebsiella pneumonia ... Abscess Differential ... Abscess #pulmonary #differential