16 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #differential # ... InfectiousDiseases #Microbiology ... #CNIE #BCNIE #cardiology
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... #Sources #Causes ... Bacteria #Etiology #Differential ... #Microbiology #
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... • Most common cause ... media • Important cause ... #diagnosis #management
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... • Coagulase-negative ... Marantic (NTBE) Differential ... #diagnosis #management ... #cardiology
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 ... #diagnosis #differential
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
Kussmaul's Sign - Differential ... inspiration as the negative ... Kussmauls #Sign #physicalexam ... #diagnosis #cardiology ... causes
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... Hypercoagulable (APLAS) Microbiology ... Septic emboli cause ... #Differential # ... Diagnosis #cardiology
Antecubital Vein examination to estimate JVP/CVP

In this video, the antecubital veins move between 

Below [RA +
vertical distance relative ... But in rare cases ... Antecubital #Vein #PhysicalExam ... JVP #estimation #Clinical ... Video #estimate #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
to diagnose the case ... excludes other differentials ... that’s called “clinical ... Awaves #AVNRT #PhysicalExam ... #JVP #Cardiology
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
Case description ... peers and may negatively ... (save $$) Differential ... Edema #lesion #clinical ... #mri #clinical