12 results
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
) — Chest 7 mSv ... ) — Lung Cancer ... #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks #Testing
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), ... diagnosis #evaluation #differential
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... lesions than the chest ... film and can suggest ... setting by demonstrating ... #CXR #CTChest #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... Blood cultures • CXR ... early disease) • CXR ... CT Lung Abscess ... Abscess Differential
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
Bronchoscopic Removal of an Obstructing Broncholith - Computed tomography of the chest showed an obstructing broncholith
tomography of the chest ... consolidation (Panel B, lung-window ... #Clinical #PCC # ... Broncholith #CT ... #Bronchoscopy #NEJM
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
available diagnostic testing ... are 6 mm to 8 mm can ... with a repeat chest ... malignancy, clinical ... CT imaging, positron
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial ... Bronchiectasis #pulmonary #differential
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
• Pleuritic chest ... 100,000/μl) Imaging ... infiltrate by chest ... radiograph or CT ... (LR + 2.8) Testing
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Dyspnea, • Chest ... Disease: • Clinical ... (Symptoms, Imaging ... , high res CT) ... NTM #Infections #differential