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

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
: • 80% have fever ... Blood cultures • CXR ... early disease) • CXR ... westermani • Other: TB ... #Abscess #pulmonary
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
: • Fever • Weight ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management ... #Treatment #ActiveTB
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
: • Fever • Weight ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management ... #Treatment #ActiveTB
Summary of Infections in which Steroids play a role in treatment
 • TB meningitis
 • TB
play a role in treatment ... • TB meningitis ... • TB pericarditis ... Severe typhoid fever ... Indications #infections #management
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
with Air-Fluid Level ... PMH of latent TB ... s/p treatment and ... ChestXRay #Clinical #Pulmonary ... #Radiology #AirFluidLevel
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Pneumonia: • 3 syndromes ... • Fever, weight ... of a "flu-like syndrome ... infiltrates, mimicking TB ... Infections #HIV #AIDS #pulmonary
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Periodic fever ... multiorgan failure • Fever ... - Nonremitting fever ... rash) • Heart, lung ... ALT ↑ bilirubin level
Based on the images alone, it is usually not possible to determine the cause of the
with cough and fever ... with low oxygen level ... nodular interstitial lung ... Clinical #Diagnosis #Radiology ... #CXR #Lobar #Consolidation
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
: • Syndrome of ... Kansasii: • Mimics TB ... Presentation: Fever ... Manifestations: • Fever ... • Fever and weight