17 results
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
IBD, age > 70, pregnant ... outbreak) Few infectious ... causes of acute ... 196 (1.5%) had a positive ... #Indications #diagnosis
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Monocytogenes - Gram-positive ... • CNS infection ... Diagnosis: ... • Stool culture ... ) • CSF (CNS Infection
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Monocytogenes - Gram-positive ... • CNS infection ... Diagnosis: ... • Stool culture ... ) • CSF (CNS Infection
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
Evaluation of Acute ... Routine stool culture ... HIV infection or ... positive 2. ... algorithm #workup #diagnosis
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Differential Diagnosis ... odds of having positive ... counts may delay diagnosis ... #differential #diagnosis ... neutrophil #WBC #CBC #hematology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
head in dependent position ... or at work) - acute ... preeclampsia: late pregnancy ... postpartum #Diagnosis ... Killers #Lethal #Fatal
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
to Joint Pain - Diagnostic ... (bacterial), acute ... for cell count, culture ... Joint #Pain #MSK #rheumatology ... #differential #diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... devices (CIED) Non-Infectious ... are positive in ... (+): Acute: ... Differential Diagnosis
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
• Weakly positively ... • Gram stain, culture ... concomitant infection ... infection Serum ... Gout #Comparison #rheumatology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Symptoms: • Acute ... • Gram stain: Positive ... in 60%-90% • Culture ... : Positive in 70%