435 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... spp Although HACEK ... febrilepodcast] #BCNIE ... causes #culture #negative ... #BCNIE #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Endocarditis (BCNIE ... cultures remain negative ... Legionella spp Although HACEK ... #BloodCulture #Negative
Non-infective endocarditis Characteristics and Pathophysiology

By Dr. Sara Dong @swinndong via #IDFellowCase

#ID  #Infectious Diseases  #Infections
#Differential
Ddx #Diagnosis #BCNIE ... #CNIE #Endocarditis
Gram Negative Bacteria - Identification Algorithm
- Rods (Bacilli)
- Cocci (Diplococci)
- Coccobacilli
- HACEK Group

By Dr. Colleen S.
Gram Negative Bacteria ... Coccobacilli - HACEK ... Emory_MedMicro #Gram #Negative
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Systemic infection Native ... epidermidis • HACEK ... • Culture-negative ... epidermidis • Gram-negative ... Enterococcus • Gram-negative
HACEK is the acronym commonly used to describe and help doctors to remember a group of
HACEK is the acronym ... fastidious Gram-negative ... endocarditis is caused by HACEK ... InfectiousDiseases #HACEK
Endocarditis - Organisms
#Diagnosis #InfectiousDiseases #Endocarditis #HACEK #Typical #Organisms
#Endocarditis #HACEK
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
FP + TN) = true negatives ... all positives Negative ... FN + TN) = true negatives ... / all negatives ... Specificity) Negative
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Endocarditis Native ... epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... streptococci - Culture negative
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 ... Gram-negative diplococci