Ravi Singh K @rav7ks
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Academic Hospitalist and Program Director @SinaiBmoreIMRes, Medicine clerkship director GW School of Medicine and Health Sciences RMC at Sinai, Clinical reasoning,Simulation and POCUS enthusiast - https://twitter.com/rav7ks
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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 ... • Progressive lung ... Tuberculosis Treatment ... Initiating Treatment ... Diagnosis #Management #Treatment
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 ... • Progressive lung ... Tuberculosis Treatment ... Initiating Treatment ... Diagnosis #Management #Treatment
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing LATENT ... developing active infection ... Diagnosis #Workup #TB #Latent ... #Active #LatentTB ... #ActiveTB #InfectiousDiseases
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacteria (NTM) Infections ... Factors For NTM Infections ... • Disseminated infections ... infections • ... differential #diagnosis #infectiousdiseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... hemorrhage • Treatment ... continue antibiotic treatment ... several months of treatment ... causes #management #treatment
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Histoplasmosis Treatment ... Mucormycosis Treatment ... change in the lungs ... nails, bronchi, lungs ... ) #Mycoses #InfectiousDiseases
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... Opportunistic Infections ... reactivation of latent ... Antimicrobial treatment ... opportunistic #InfectiousDiseases
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
associated with infection ... Cerumen impaction Infectious ... (90%), Fungal infections ... subdural hematoma, lung ... Otalgia #Ear #Pain #Otology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... cough, myalgia • Lung ... Microsporidium #Lung ... #Infections #HIV ... differential #diagnosis #infectiousdiseases
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: • Recurrent infection ... • Superimposed infection ... in the adjacent lung ... of the affected lung ... mycobacteria Treatment