3345 results
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Grouped by gram negative ... febrilepodcast] #ID #Infectious ... Diseases #Infections ... Microbiology #Micro #Differential
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
disease • Systemic infection ... HACEK • Culture-negative ... epidermidis • Gram-negative ... Enterococcus • Gram-negative ... Noninfective #Causes #Differential
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Transplant Infections ... Staphylococci (skin), Gram-negative ... Staphylococci (skin), Gram-negative ... #Transplant #Infections ... #Timeline #differential
RPR - False Positives
Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests
(False-negative ... • Spirochete Infections ... • Acute Infections ... ): • Chronic Infection ... False #Positives #differential
Causes of Sudden Unexpected Death in Infancy (SUDI) - Differential Diagnosis Algorithm
Congenital Anomaly / Disorder:
 •
Infancy (SUDI) - Differential ... Metabolic Disorders Infection ... Gastrointestinal infection ... ): • Autopsy negative ... Infancy #Infant #Differential
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... Abscess - Differential ... Dracunculiasis - Non-Infectious ... Blastomycosis - Non-Infectious ... #Abscess #Differential
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... • Infection with ... #BloodCulture #Negative ... Endocarditis #diagnosis #differential
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Neutropenia - Differential ... Antineoplastic Viral Infection ... Bacteria • Gram Negative ... #Neutropenia #Differential
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Causes of Dysuria - Differential ... Urinary Tract Infection ... Urinary Tract Infection ... Hematuria - Dipstick negative ... cystitis #Dysuria #Differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... and bacterial infections ... • Typhus, gram-negative ... Associated with Relative ... Fever #Patterns #Differential