13 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 ... #management #infectiousdiseases
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 ... #management #infectiousdiseases
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
Evaluation of Acute ... HIV infection or ... positive 2. ... #Diarrhea #management ... algorithm #workup #diagnosis
Acute Diarrhea - Differential Diagnosis Framework
1)  Diagnostic studies only for dysentery, severe disease, >7 days
2)
Acute Diarrhea - ... >7 days 2) PCR>culture ... cereus, ETEC, EPEC, Listeria ... #Diarrhea #Differential ... #Diagnosis #Infectious
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... diarrhea 2. ... Parasitic infections ... #management #algorithm ... #workup #diagnosis
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
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
presents with acute ... to 12 weeks for acute ... : • Culture of ... have positive blood ... #Management #Infections
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: ... #management #cardiology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... meningitidis (40%) • Listeria ... Symptoms: • Acute ... in 60%-90% • Culture ... : Positive in 70%