212 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Anion gap? ... gap, Delta-delta ... : Anion Gap (AG ... Gap = AG + 2.5( ... or restrictive lung
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
Pathogens in Pneumonia ... obstruction) - Grp ... smoking. structural lung ... Burkholderia — structural lung ... MAC (structural lung
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest ... lang=us #Lung # ... lobes #Segments #Chest ... #CT #CTChest #pulmonary ... #clinical #radiology
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Vessel Sign on Chest ... leading into a lung ... , pulm AVM, GPA ... doi.org/10.1016/j.chest ... Pulmonary #diagnosis #radiology
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Organizing Pneumonia ... COVID19 #Patterns #Lung ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... mueormycosis, GPA ... sarcoidosis, mets to the lung ... Halo #Sign #CT #Lung ... Pulmonary #diagnosis #radiology
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Start with the Anion ... Gap (AG). 2) Next ... Diagnosis: • Anion ... Ingestion • Non-Anion ... depression, Obstructive Lung
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
anteriorly in the left lung ... consolidation due to a pneumonia ... Sterptococcus pneumoniae ... #Clinical #Radiology ... #CXR #Pneumonia
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... peripheries and lower lung ... Diagnosis: • Lung ... TBNA or Surgical lung ... COP DDX: • CAP