10 results
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... pathogens - Viral ... #Radiology #differential ... #diagnosis #pulmonary ... #CXR #clinical
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... • CD4 < 200: Pulmonary ... Evaluation: Imaging (CXR ... /- High res CT chest ... diagnosis #evaluation #differential
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
we describe a chest ... visible wall #CXR ... #Lucency #Differential ... #Cyst #Lung #Pulmonary ... #Diagnosis #Radiology
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... Look for other signs ... infection, ARDS ... #Diagnosis #Radiology ... #Pulmonary #CXR
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Nasal polyps and signs ... Physical stigmata of cor ... high-resolution chest ... #differential #
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
bronchiectasis is prior infection ... , usually viral, ... #Diagnosis #Radiology ... #Pulmonary #Bronchiectasis ... #Differential #
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
virulent pyogenic infections ... be seen on the chest ... is not seen in viral ... #Clinical #Radiology ... #CXR #CTChest #
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... reversed halo sign ... **Includes cavitary ... hypersensitivity pneumonitis, infection ... #Radiology #RHS
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... fever, cough and cavitary ... #HIV #AIDS #pulmonary
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... x-ray (CXR), try ... breaks up the usual ... not seen on a CXR ... #Radiology #CTChest