89 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... Necrotizing Pneumonia ... Emboli, Fungal Infection ... Autoimmunity: RA, GPA ... lesion #pulmonary #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... #Infections #HIV ... AIDS #pulmonary #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Anion gap? ... Differentials? ... : Anion Gap (AG ... or restrictive lung ... #VBG #differential
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary infections ... according to CT-scan ... Patterns #Pulmonary #Lung ... #Infections #ComputedTomography ... #Differential #
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
for enumerating differentials ... obstruction) - Grp ... smoking. structural lung ... MAC (structural lung ... #Differential #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
identified, Strep pneumoniae ... Streptococcus Grp ... failure, COPD, Lung ... CXR +/- High res CT ... diagnosis #evaluation #differential
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Evaluation and Differential ... Start with the Anion ... Gap (AG). 2) Next ... : • Anion Gap ... depression, Obstructive Lung
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... throughout the lungs ... rarely typical pneumonia ... #differential # ... CXR #clinical #CT
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Differential Diagnosis ... Pneumocystis jiroveci pneumonia ... Dermatomyositis, Lung ... embolism, Lipid pneumonia ... NonInfectious #Differential
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Sign on Chest CT ... leading into a lung ... , pulm AVM, GPA ... #Vessel #Sign #CT ... #diagnosis #radiology