9 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... fever, cough and cavitary ... AIDS #pulmonary #differential
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... we describe a chest ... visible wall #CXR ... #Lucency #Differential ... #Diagnosis #Radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... throughout the lungs ... rarely typical pneumonia ... #Radiology #differential ... #CXR #clinical
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Evaluation: Imaging (CXR ... /- High res CT chest ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
: weight gain, lung ... HFrEF may lack lung ... un lymphatic Diagnostic ... Chest x-ray: signs ... → no signs of CXR
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
features on the chest ... chronic obstructive lung ... #Diagnosis #Radiology ... #CHF #CXR #Stages ... #Findings #Signs
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
also demonstrate signs ... be high in the differential ... diagnostic list ... #Clinical #Radiology ... #CTChest #CHF #
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... x-ray (CXR), try ... not seen on a CXR ... #Radiology #CTChest ... #Lung #Pulmonary