37 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... - Differential ... Diagnosis Framework ... antibiotics as a cause ... of a negative culture
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Blood culture contaminants ... Grouped by gram negative ... #Microbiology # ... Micro #Differential ... #Ddx #Diagnosis
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... disease • Systemic infection ... • HACEK • Culture-negative ... #Differential # ... Diagnosis
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... Tropheryma whipplei, Fungi ... #differential # ... diagnosis #causes ... #culture #negative
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... but important causes ... BCNIE Diagnostic ... #Endocarditis #diagnosis ... #differential #
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Native and ... Endocarditis #Sources #Causes ... Bacteria #Etiology #Differential ... #Microbiology # ... Diagnosis #Pathogens
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
Things To Know Diagnosis ... Positive effluent culture ... Microbiology: • ... diverticulitis) Treatment ... Conncomitant catheter infection
Disseminated Cutaneous Blastomycosis- A fungal culture of skin tissue was negative; however, a skin biopsy showed
culture of skin ... tissue was negative ... infection of Blastomyces ... #clinical #photo ... #derm #NEJM #cutaneous
Causes of SVC Syndrome - Differential Diagnosis Framework
 • Benign (15-40%): Thrombosis (aka catheter-associated), Goiter, Fibrosing
Causes of SVC Syndrome ... - Differential ... Mediastinitis, Fungal ... Infection, Aortic ... SCLC, NSCLC, NHL, Germ
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... Failure - Differential ... Diagnosis: • Non-Infectious ... bacteria: Viral, Fungal ... • Secondary to Treatment