23 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #Causes #differential ... #diagnosis #causes ... #Endocarditis #
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... but important causes ... BCNIE Diagnostic ... #Infective #Endocarditis ... #diagnosis #differential
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
and sources of infection ... • Native and ... #Sources #Causes ... Bacteria #Etiology #Differential ... #Microbiology #Diagnosis
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... vs Noninfective Causes ... disease • Systemic infection ... #Differential # ... Diagnosis
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Diagnosis Algorithm ... endocarditis • ... Osteomyelitis • Occult abscess ... #causes
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Pain - Differential ... Diagnosis Algorithm ... • Endocarditis ... Septic Bursitis • Abscess ... #Orthopedics #Causes
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Origin (FUO) - Differential ... DiagnosisInfection ... tuberculosis, Abscess ... , Endocarditis, ... #Diagnosis #causes
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... • Coagulase-negative ... Marantic (NTBE) Differential ... Paradoxical emboli via ASD ... Diagnosis?
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... for Concurrent ... phenomena from endocarditis ... #Concurrent #Differential ... #Diagnosis #causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... Diagnosis Framework ... • Typhus, gram-negative ... Causes: • Still's ... #Diagnosis #intermittent