124 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... Bacteria #Pathogens #Diagnosis ... #Differential #InfectiousDiseases
Differential Diagnosis of Hemoptysis #Diagnosis #EM #IM #InfectiousDisease #Pulmonary #Hemoptysis #Extrapulmonary #Differential #Algorithm #Assessment #Ddxof
Differential Diagnosis ... of Hemoptysis #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
Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... Pneumonia #Patterns #Diagnosis ... #Presentation #Pulmonary
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential Diagnosis ... • Normal or negative ... pg/ml EKG: • Negative ... infarction • Gram negative ... #differential #diagnosis
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 ... #differential #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
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
testing (TST) False-negative ... because false-negative ... sample = 95% • A negative ... used to exclude pulmonary ... LatentTB #ActiveTB #InfectiousDiseases
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Interstitial - Nodular ... Emphysema - Pulmonary ... Embolism - Acute Pulmonary ... #Differential #Diagnosis
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... #differential #diagnosis ... causes #culture #negative ... #Endocarditis #InfectiousDiseases
Legionnaire's Disease - Extrapulmonary organ involvement: CNS: Mental confusion, encephalopathic, headache. Cardiac: Relative bradycardia. GI: Loose
Cardiac: Relative ... insufficiency #Diagnosis ... #IM #InfectiousDisease