24 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung abscess ... seen • Chest CT ... Lung Abscess
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterium abscessus ... most likely to cause ... with underlying lung ... It can also cause ... #differential #infectiousdiseases
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... mucogenicum • HIV ... Advanced HIV (CD4 ... Imaging, high res CT ... differential #diagnosis #infectiousdiseases
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Manifestations: • Infection ... (most common: lung ... (most common: lung ... , Aneurysm • Pancreas ... Differential #Diagnosis #causes
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Travel History - Clues ... to Infectious Disease ... rural → Geographic disease ... association • How long ... HPI #Interview #InfectiousDiseases
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
affecting the lungs ... abscess Primary ... Tuberculosis Treatment ... Initiating Treatment ... Diagnosis #Management #Treatment
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes ... Epstein-Barr syndrome, HIV
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
affecting the lungs ... abscess Primary ... Tuberculosis Treatment ... Initiating Treatment ... Diagnosis #Management #Treatment
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... Source control (abscess ... (daptomycin in lungs ... • Secondary to Treatment ... : IV catheter (CLABSI
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... factor • May cause ... #Infections #HIV ... differential #diagnosis #infectiousdiseases