115 results
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 ... endocarditis is caused ... #Diagnosis #InfectiousDiseases
Causes of Approach to Altered Level of Consciousness - Workup
Clinical Exam - Focal
 • Trauma
 •
Causes of Approach ... Clinical Exam ... Imaging Section Clinical ... #diagnosis #workup ... #algorithm #Causes
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Drug fever #relative ... #bradycardia #Causes ... #differential #diagnosis ... #infectiousdiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... #differential #diagnosis ... #negative #Endocarditis ... #InfectiousDiseases
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Staphylococci (skin), Gram-negative ... Staphylococci (skin), Gram-negative ... #differential #diagnosis ... #causes #infectiousdiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... - Differential Diagnosis ... antibiotics as a cause ... #Differential #Diagnosis ... #InfectiousDiseases
Aortitis - Diagnosis and Workup
Clinical History:
 - Fever, weight loss, deterioration of general health
 - Aortic
Aortitis - Diagnosis ... and Workup Clinical ... depending on the cause ... #Workup #Differential ... #Causes
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
antimicrobials, clinical ... but important causes ... BCNIE Diagnostic ... #differential #workup ... #infectiousdiseases
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... because false-negative ... sample = 95% • A negative ... #Workup #TB #Latent ... LatentTB #ActiveTB #InfectiousDiseases
Sebaceous hyperplasia 
 - Yellow papule 
 - Donut-shape 
 - Central umbilication 
 - Telangiectasia
Usually multiple - Causes ... #Dermatology #Diagnosis ... #Benign #Clinical ... #Photo