13 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... Tropheryma whipplei, Fungi ... #diagnosis #causes ... #Endocarditis #InfectiousDiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
fastidious bacteria or fungi ... but important causes ... Tropheryma whipplei, Fungi ... bacteria) and 18S ( fungi ... differential #workup #infectiousdiseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pain, hemoptysis, dyspnea ... • Sputum/Blood cultures ... Prevotella • Fungal ... #Abscess #pulmonary ... #differential #causes
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
include: bacteria, fungi ... • Chlorella Fungi ... Soil-related endemic fungi ... cause primary pulmonary ... aspergillosis (cough, dyspnea
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Pseudomonas FUNGAL ... Legionella: • Nausea ... factor • May cause ... Infections #HIV #AIDS #pulmonary ... differential #diagnosis #infectiousdiseases
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... • Hypoxia • Dyspnea ... in the adjacent lung ... of the affected lung ... mycobacteria Treatment
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... History: cough, dyspnea ... Pneumonia: blood culture ... , sputum culture ... Organizing Pneumonia 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
infection (NTM) • Fungal ... hemoptysis • Dyspnea ... NAA (PCR) and Culture ... Tuberculosis Treatment ... Initiating 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
infection (NTM) • Fungal ... hemoptysis • Dyspnea ... NAA (PCR) and Culture ... Tuberculosis Treatment ... Initiating Treatment
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
, verrucous) - Lung ... heart failure • Dyspnea ... Cerebral > Splenic, Pulmonary ... hematuria, + RF Treatment ... Diagnosis #cardiology #infectiousdiseases