38 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Rapid onset of a ... fever, cough and cavitary ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... chest X-ray, we ... visible wall #CXR ... #Cyst #Lung #Pulmonary ... #Diagnosis #Radiology
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... - Imaging: • CXR ... - Diagnosis: ... #ILD #diagnosis ... #management
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... for a child or ... hypertension; CXR ... , chest X-ray; HPAH ... ; CLD, chronic lung
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... parenchyma by a ... Lung Abscess - Clinical ... radiograph shows a ... #Abscess #pulmonary
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
the consolidated lung ... as a result of ... #Clinical #Radiology ... #CXR #CTChest # ... Cavity #Pneumonia
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... in the proper clinical ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Algorithm Stridor ... hemorrhage • Pus: pneumonia ... atelectasis • Lung ... #differential #Diagnosis ... #Management #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive Lung ... , Interstitial Lung ... #differential #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Lobar pneumonia ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR