28 results
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Hypercoagulable (APLAS) Microbiology ... Cerebral > Splenic, Pulmonary ... • Persistent bacteremia ... Differential #Diagnosis #cardiology ... #infectiousdiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... under BCNIE, these bacteria ... #Endocarditis #InfectiousDiseases ... #Microbiology # ... CNIE #BCNIE #cardiology
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 ... Pneumoniae #strep #microbiology
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Pre-transplant: • Common bacteria ... Staphylococci (skin), Gram-negative ... Staphylococci (skin), Gram-negative ... differential #diagnosis #causes ... #infectiousdiseases
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... which can also cause ... endocarditis is caused ... by HACEK bacteria ... #Diagnosis #InfectiousDiseases
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Native and ... Endocarditis #Sources #Causes ... #Bacteria #Etiology ... #Differential #Microbiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... • Normal or negative ... pg/ml EKG: • Negative ... infarction • Gram negative ... differential #diagnosis #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... but important causes ... #BloodCulture #Negative ... differential #workup #infectiousdiseases
General Bacterial Antibiogram - Antibiotics and Spectrum of Coverage
Make sure you consult your local antibiogram!
VRE -
General Bacterial ... POSITIVES - GRAM NEGATIVES ... #Antibiotics #Classes ... #Bacterial #Spectrum ... #Pharmacology #Microbiology
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
appearances of pulmonary ... complex • Nodular/Masses ... Consolidation: Pyogenic bacterial ... disease: Pyogenic bacterial ... diagnosis #chestCT #radiology