13 results
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
Stool Cultures - ... IBD, age > 70, pregnant ... Few infectious causes ... of acute gastroenteritis ... 196 (1.5%) had a positive
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
are positive in ... Culture (+): ... Acute: • S. ... Septic Emboli Cause ... Treat underlying cause
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
Evaluation of Acute ... Routine stool culture ... while awaiting culture ... positive 2. ... Hospitalization required #Acute
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... vs Noninfective Causes ... Native Valve - Acute ... • HACEK • Culture-negative ... #Noninfective #Causes
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Microbiology: Gram Positive ... • Most common cause ... media • Important cause ... peritonitis, and endocarditis ... sinus • Sputum culture
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... of Pregnancy (AFLP ... : • Defect in fetal ... = nonspecific (nausea ... headache, malaise) → Acute
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
are positive in ... Culture Positive ... : • Acute: S. ... Septic emboli cause ... Treat underlying cause
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Physiologic Causes ... arteries) • Pregnancy ... significantly positive ... Diagnoses: • Acute ... • Infective Endocarditis
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... head in dependent position ... or at work) - acute ... preeclampsia: late pregnancy ... Killers #Lethal #Fatal
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
infections are caused ... Endophthalmitis, Endocarditis ... AspGM can be also positive ... septated hyphae, acute ... considered in certain cases