32 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Responsible for Infective ... Endocarditis ... bacilli - Fungi ... #Infective ... #Differential #InfectiousDiseases
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... Noninfective Causes ... bacilli • Fungi ... bacilli • Fungi ... #Noninfective #Causes
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... which can also cause ... infective endocarditis ... is caused by HACEK ... #Diagnosis #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... Tropheryma whipplei, Fungi ... #Endocarditis # ... InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
My Patient with Infective ... Endocarditis (IE ... therapy - Number one cause ... Fungal (Histoplasma ... #Endocarditis #
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... antimicrobials, clinical ... but important causes ... #Infective #Endocarditis ... differential #workup #infectiousdiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Differentiating NBTE from Infective ... high index of clinical ... serology: Serial negative ... Frequent false-negative ... in up to 30% of cases
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
It is caused by ... of infective bronchiolitis ... bacterial/viral/fungal ... Sign #diagnosis #clinical ... radiology #ChestCT #pathophysiology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Cryoglobulinemia, Endocarditis ... With associated pulmonary ... Pauci-immune mediated (Negative
Cutaneous sporotrichosis (also known as “rose gardener's disease”) is an infection caused by a fungus called
disease”) is an infection ... caused by a fungus ... Sporotrichosis #Sporothrix #fungal ... #clinical #photo ... #PrimaryCare #InfectiousDisease