183 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... febrilepodcast] #BCNIE #Causes ... #culture #negative ... InfectiousDiseases #Microbiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Noncardiogenic Pulmonary ... Causes include: ... • Normal or negative ... pg/ml EKG: • Negative ... infarction • Gram negative
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Native and ... Endocarditis #Sources #Causes ... #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 ... Pneumoniae #strep #microbiology
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... diseases, describe clinical ... 100%, then all negative ... proportion of negative ... that are true negatives
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... most common) Clinical ... Abscess #Diagnosis #Pulmonary ... #Clinical #CXR
Doxycycline - Coverage and Indications
 • Staphylococci (S aureus + CoNS)
 • The tick stuff: Borrelia
• "Atypical" causes ... • Acne • Gram-negative ... #pharmacology #microbiology
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
your grand rounds/cases ... strep - Gram-negatives ... #Differential #Microbiology ... #Causes #Agents
Causes of Sudden Unexpected Death in Infancy (SUDI) - Differential Diagnosis Algorithm
Congenital Anomaly / Disorder:
 •
Causes of Sudden ... Neurologic Anomaly • Pulmonary ... ): • Autopsy negative ... Diagnosis #Algorithm #Causes
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
non-productive cough, nausea ... failure • Severe pulmonary ... Epidemiologic exposure + clinical ... Leptospirosis #Leptospira #microbiology