31 results
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... to rnonths • Fever ... #Abscess #Diagnosis ... #Pulmonary #Clinical ... #CXR #ChestXRay
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... : • 80% have fever ... Abscess Diagnosis ... westermani • Other: TB ... #Abscess #pulmonary
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... • Lymphoma • TB ... Brucellosis Faget's Sign ... Sweats: • TB ... or lung abscess
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
- Air-fluid level ... • Cavitation, Abscess ... #Tuberculosis #TB ... xray #clinical #radiology ... #CXR
A 50 yo F with a history of poor dentition presents to the ED with fever
to the ED with fever ... A CXR is done. ... consistent w/ lung ... abscess #Clinical ... #Radiology #CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
abscess Primary ... : • Fever • Weight ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... infiltrates, mimicking TB ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
abscess Primary ... : • Fever • Weight ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... Inflammation (e.g., fever ... pain) and signs ... #Pulmonolary
Chest X-Ray Interpretation Checklist
Outline ALL bones
Check soft tissues
Assess heart borders
Is density, behind the heart the same
Chest X-Ray Interpretation ... cervical rib Check lung ... #XRay #CXR #Interpretation ... #Checklist #radiology ... #diagnosis #pulmonary