38 results
Point-of-care Ultrasound for Diagnosis of Abscess in Skin and Soft Tissue Infections

1. POCUS is more accurate
Ultrasound for Diagnosis ... POCUS is more accurate ... cellulitis in cases ... POCUS has a negative ... LikelihoodRatios #Accuracy #Diagnosis
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... - Differential Diagnosis ... antibiotics as a cause ... #Diagnosis #InfectiousDiseases
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 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
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterium abscessus ... most likely to cause ... It can also cause ... Mycobacterium #diagnosis ... #differential #infectiousdiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
is required for diagnosis ... Frequent false-negative ... in up to 30% of cases ... common, Aortic root abscess ... #Endocarditis #comparison
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... from a group to assess ... that are true negatives ... but not on the causal ... #calculations #diagnosis
A toxidrome is a syndrome (set of symptoms) caused by specific medications or toxins.

There are 5
set of symptoms) caused ... methylphenidate (Ritalin) - Sedative-Hypnotic ... antihistamines #Diagnosis ... Toxicology #Toxidromes #Comparison