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

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
: • 80% have fever ... Blood cultures • CXR ... early disease) • CXR ... Prevotella • Fungal ... Cryptococcus - Coccidioides
Cavitary Lesion with Air-Fluid Level on Chest XRay

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

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Pseudomonas FUNGAL ... loss, lethargy, fever ... : Halo sign Coccidioides ... • Fever, weight ... be normal • Fever
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Coxiella burnetii • Fungal ... Non-Infectious: • Rheumatologic ... Mediterranean Fever ... - Metastatic: Lung ... Diagnosis #Causes #cardiology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
respiratory symptoms • Fever ... pulmonary symptoms • Rheumatologic ... infection • Cough, fever ... • Serology for Coccidioides ... • Isolated fever
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
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection (NTM) • Fungal ... Active TB: • Fever ... and Culture • CXR ... Tuberculosis Treatment ... disease • Check CXR
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
Neutropenic fever ... : - Fever + ANC ... > 4 days → add fungal ... or HSCT - CRS: fever ... therapy - Symptoms: fever