42 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... ) - Culture negative ... #Infective #Endocarditis ... #Bacteria #Pathogens ... #Differential #InfectiousDiseases
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... cause infective endocarditis ... caused by HACEK bacteria ... More commonly endocarditis ... #Diagnosis #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... (IE) Has Negative ... have a fastidious bacteria ... this be a non-bacterial ... #Infective #Endocarditis
Epidemiological Clues That May be Helpful in Defining the Etiological Diagnosis of Culture-Negative Endocarditis

#Endocarditis #Bacteria #Differential
Diagnosis of Culture-Negative ... Endocarditis ... #Endocarditis #Bacteria
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... under BCNIE, these bacteria ... #Endocarditis # ... InfectiousDiseases
Non-Infective Endocarditis - Pathophysiology
Non-infective Endocarditis Pathophysiology:
 • Valves usually undamaged - Etiology poorly understood but thought
Non-Infective Endocarditis ... - Pathophysiology ... Pathophysiology ... endothelium is common → Bacteria ... over clusters of bacteria
Infective Endocarditis - Indications for Surgery - "Fun-HEARTS" Mnemonic

Fungal endocarditis
Heart failure (valve dysfunction)
Enterococcus (VRE) endocarditis
Abscess, annular
Infective Endocarditis ... Mnemonic Fungal endocarditis ... Time, sustained bacteremia ... / pSeudomonas endocarditis ... cardiothoracic #cardiology #infectiousdiseases
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 ... monocytes; no bacteria ... Few PMNs; no bacteria ... Patterns #Diagnosis #Comparison
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... prosthetic valve endocarditis ... #Infective #Endocarditis ... Sources #Causes #Bacteria
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Alpha-hemolytic, Catalase Negative ... cause of: CAP, Bacterial ... peritonitis, and endocarditis ... patients with bacteremia ... Meningitis 10-14 days, Endocarditis