9 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... #Resolution #HiRes ... #pulmonary #radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... reticular, nodular, high ... detected on a chest ... #Diagnosis #Radiology ... #Pulmonary #CXR
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Lymphocytic or lymphoid interstitial ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC ... diagnosis #evaluation #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... #Radiology #differential ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential ... Aspergillosis • High ... • CT: Halo sign ... fever, rales, interstitial ... #AIDS #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Diagnosis: • HRCT (high-resolution ... chest CT) • Broncho-arterial ... , CCP, ANCA • HIV ... #differential #
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
cardiac failure, high ... fluid into the interstitium ... can be seen on a chest-film ... #Diagnosis #Radiology ... #CHF #CXR #Features
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
massiliense in CF ... • Dyspnea, • Chest ... Symptoms, Imaging, high ... res CT) • Exclusion ... NTM #Infections #differential
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 ... wall following high ... #Radiology #CTChest