36 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... bacilli - Fungi (Candida ... ) - Culture negative ... Enterococci - Gram-negative ... #Differential #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Endocarditis (IE) Has Negative ... Did they receive antibiotics ... Decreased yield due to antibiotic ... cause of culture negative ... patient a surgical candidate
Table 3. Suggested Empiric Treatment Options for Clinically Suspected Ventilator-Associated Pneumonia in Units Where Empiric Methicillin-Resistant
Antipseudomonal/Gram-Negative ... Appropriate #Management #InfectiousDiseases ... #Empiric #Antibiotics
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 ... gut) • Fungi: Candida ... diagnosis #causes #infectiousdiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... (Aspergillus, Candida ... causes #culture #negative ... #Endocarditis #InfectiousDiseases
Candidemia Workup and Management - IDSA Guidelines
1) Antibiotics
 • Empiric: Echinocandins (e.g. micafungin) for most patients
Guidelines 1) Antibiotics ... Susceptibilities, Negative ... workup dictated by symptoms ... Guidelines #Management #candida
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
Primarily studied for candida ... positives: Beta lactam antibiotics ... Specificity #Laboratory #InfectiousDiseases
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
paresthetica • Symptoms ... 3-6 months of symptom ... mass Sensory Symptoms ... Stabbing) - Negative ... MeralgiaParesthetica #MSK #pathophysiology
Schizophrenia: Pathogenesis and Symptoms
Increased dopaminergic transmission in mesolimbic projection
-> Dopaminergic neurons here project into the limbic
Pathogenesis and Symptoms ... cause the Positive Symptoms ... thought to cause Negative ... Schizophrenia #pathophysiology ... psychiatry #positive #negative
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... Consider prior antibiotics ... as a cause of a negative ... AnnKumfer #Culture #Negative ... Differential #Diagnosis #InfectiousDiseases