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Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • DM risk factor ... Lung abscess ... CT Lung Abscess ... #Abscess #pulmonary
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
we describe a chest ... are trying to figger ... visible wall #CXR ... #Cyst #Lung #Pulmonary ... #Diagnosis #Radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... : • Risk: Can ... fever, cough and cavitary ... Infections #HIV #AIDS #pulmonary
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
infections an abscess ... the consolidated lung ... #Clinical #Radiology ... #CXR #CTChest # ... Cavity #Pneumonia
Chest X-Ray Interpretation Checklist
Outline ALL bones
Check soft tissues
Assess heart borders
Is density, behind the heart the same
Checklist Outline ALL ... cervical rib Check lung ... #XRay #CXR #Interpretation ... #Checklist #radiology ... #diagnosis #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... rarely typical pneumonia ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Food products Risk ... • Nodular or cavitary ... Mimics TB with: Cavitary ... • Dyspnea, • Chest ... Imaging, high res CT
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Assess functional ... murmur 3/6) - Pulmonary ... neuroexam - Oral cavity ... Chest X-ray: ... unless prior heart/lung