13 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
disease or CHF) ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... refer + order CT ... Diagnosis #Algorithm #causes
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 scan), CBC ... Infectious Diseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... ) • CXR upright ... CT Lung Abscess ... Abscess Differential ... #causes #management
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... #Radiology #differential ... diagnosis #pulmonary #CXR ... #clinical #CT
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... disease comes from ... On a Chest X-Ray ... #Diagnosis #Radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... factor • May cause
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... disease caused ... Calcification (seen in CT ... Silicosis #clinical #radiology ... #CXR #Chest #XRay
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
Oleothorax - A chest ... The differential ... Clinical #PCC #Radiology ... #CXR #Oleothorax ... #NEJM
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... in the adjacent lung ... CT) • Broncho-arterial ... mycobacteria Treatment ... Bronchiectasis #pulmonary #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Advanced HIV (CD4 ... • Dyspnea, • Chest ... Imaging, high res CT ... NTM #Infections #differential