31 results
Causes of blood culture negative infective endocarditis

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

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Framework NCPE Pathophysiology ... Causes include: ... • Normal or negative ... pg/ml EKG: • Negative ... infarction • Gram negative
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... Chlamydia #psittaci #microbiology ... #diagnosis #management ... #treatment #infectiousdiseases
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
barns and lake houses ... chills, myalgias, nausea ... Hantavirus #diagnosis #management ... #treatment #microbiology ... #infectiousdiseases
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
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
Diagnosis and Management ... fastidious gram-negative ... tularensis #diagnosis #management ... #treatment #infectiousdiseases ... #microbiology
Nocardiosis - Nocardia spp
Pathogen: Filamentous gram-positive branching rod, grows in acid fast staining and anaerobic conditions
Clinical
involved) 32% • Pulmonary ... Nocardia #diagnosis #management ... #microbiology # ... infectiousdiseases
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... With associated pulmonary ... Pauci-immune mediated (Negative
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Diagnosis and Management ... spread of the Gram-negative ... gonorrhea #Diagnosis #Management ... #Microbiology # ... InfectiousDiseases
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
infections • Gram-negative ... fusiform gram-negative ... Capnocytophaga #canimorsus #microbiology ... #zoonotic #infectiousdiseases ... #diagnosis #management