738 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... because false-negative ... sample = 95% • A negative ... used to exclude pulmonary ... LatentTB #ActiveTB #InfectiousDiseases
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... streptococci - Culture negative ... #Differential #InfectiousDiseases
Table 3. Suggested Empiric Treatment Options for Clinically Suspected Ventilator-Associated Pneumonia in Units Where Empiric Methicillin-Resistant
Treatment Options for Clinically ... Antipseudomonal/Gram-Negative ... Appropriate #Management #InfectiousDiseases
Differential Diagnosis of Hemoptysis #Diagnosis #EM #IM #InfectiousDisease #Pulmonary #Hemoptysis #Extrapulmonary #Differential #Algorithm #Assessment #Ddxof
Diagnosis #EM #IM #InfectiousDisease ... #Pulmonary #Hemoptysis
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Pleomorphic gram-negative ... Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... #Presentation #Pulmonary
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Noncardiogenic Pulmonary ... Noncardiogenic pulmonary ... • Normal or negative ... pg/ml EKG: • Negative ... infarction • Gram negative
Initiation of ART in HIV patients with Opportunistic Infections
 • Pulmonary TB and CD4 cell count
Infections • Pulmonary ... count <50 • Pulmonary ... Infections #management #infectiousdiseases
Miliary Tuberculosis 
Hematogenous dissemination of Mycobacterium tuberculosis 
Clinical: 
 • Failure to thrive 
 • Fever
tuberculosis Clinical ... Tuberculosis #TB #Pulmonary ... #InfectiousDiseases
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Staphylococci (skin), Gram-negative ... Staphylococci (skin), Gram-negative ... diagnosis #causes #infectiousdiseases
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Drug fever #relative ... differential #diagnosis #infectiousdiseases