21 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #culture #negative ... #Endocarditis # ... #CNIE #BCNIE #cardiology
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... (IE) Has Negative ... therapy - Number one cause ... Eg: C. burnetii ... #Infective #Endocarditis
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Criteria - Diagnostic Checklist ... : odd QRS from native ... Modified #Diagnosis #Checklist ... #EKG #electrocardiogram ... #ecg #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
• Coagulase-negative ... Septic Emboli Cause ... ↑ ESR, CRP • EKG ... Treat underlying cause ... diagnosis #management #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
>1 of V1-V3 + negative ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... but important causes ... special stains (e.g ... #Infective #Endocarditis
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... • Normal or negative ... level <100 pg/ml EKG ... : • Negative for ... differential #diagnosis #cardiology
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
• Malignancy (e.g ... OTHER RARE CAUSES ... may have false negative ... Differential #Diagnosis #cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Guidelines for Crises ... CM5 continuous ECG ... Obtain a 12-lead ECG ... consultation with cardiology ... Intraoperative #Checklist
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
aureus, Coagulase-negative ... staphylococci Culture Negative ... Septic emboli cause ... ↑ ESR, CRP • EKG ... Differential #Diagnosis #cardiology