13 results
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... , CT, ultrasound ... Inflammation (e.g., fever ... #Pulmonolary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... early disease) • CXR ... decubitus - air fluid level ... #Abscess #pulmonary
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
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... in particular) Evaluation ... : Imaging (CXR ... /- High res CT chest ... HIVAIDS #workup #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... throughout the lungs ... rarely typical pneumonia ... #diagnosis #pulmonary ... #CXR #clinical
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... Left Shunt - Anatomic ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... #differential #diagnosis
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
the air-fluid level ... attached to the chest ... is a possible diagnosis ... airways leading to pulmonary ... #CXR #Pneumothorax
Left-Middle-Lobe Pneumonia - Radiography of the chest revealed a cardiac apex, aortic arch, and gastric bubble
Radiography of the chest ... infiltrate in the left lung ... was diagnosed. ... #CXR #Kartagener ... #NEJM
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
Oleothorax - A chest ... treatment for pulmonary ... Clinical #PCC #Radiology ... #CXR #Oleothorax ... #NEJM
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
the air-fluid level ... attached to the chest ... is a possible diagnosis ... airways leading to pulmonary ... #CXR #Pneumothorax