9 results
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
mycobacteria which can ... cause pulmonary ... Notice the air-fluid ... #Clinical #Radiology ... #CXR #Lateral #
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
CTAir surrounding ... cavity • DDx: ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
chest film and can ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
reversed halo sign ... adenocarcinoma in situ; COP ... **Includes cavitary ... patients with acquired ... #Radiology #RHS
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Management Pneumonia Signs ... radiograph or CT ... aeruginosa Clinical ... Yield of blood CX ... Management #treatment #Pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Nodular or cavitary ... Complex (MAC): • Acquired ... Bone Marrow - Anemia ... Disease: Clinical ... Imaging, high res CT
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
space (pleural effusion ... The following signs ... consolidations and air ... #Clinical #Radiology ... #CXR #CHF #Alveolar
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CT: Halo sign ... fever, cough and cavitary ... pneumonia, pleural effusion ... 100% of cases), anemia ... Infections #HIV #AIDS #pulmonary
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... SpO2 88% on room air ... This patient’s clinical ... a chest x-ray (CXR ... not seen on a CXR