18 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... antibiotics as a cause ... #Abscess #Differential ... #Diagnosis #InfectiousDiseases
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... vs Noninfective Causes ... bacilli • Fungi ... bacilli • Fungi ... #Noninfective #Causes
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... • Infectious endocarditis ... Osteomyelitis • Occult abscess ... Infection: • Fungal ... #causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
• Typhus, gram-negative ... infection • Abscess ... Non-Infectious Causes ... • Hepatic abscess ... Liver or lung abscess
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
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
Rash - Diagnostic Algorithm ... Mycoplasma), Infective endocarditis ... Disseminated fungal ... Febrile #Diagnosis #Algorithm ... #Schema #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... therapy - Number one cause ... Fungal (Histoplasma ... #Infective #Endocarditis ... Diagnosis #Management #Algorithm
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Diagnosis Algorithm ... Infectious - Other: • Fungal ... Skin Infection Abscess ... #causes
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Clinical features: Fever ... Frequent false-negative ... Clinical features: Fever ... in up to 30% of cases ... common, Aortic root abscess
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
• Coagulase-negative ... night sweats, fever ... Septic Emboli Cause ... Treat underlying cause ... Persistent bacteremia/fevers