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
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
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Louis encephalitis ... Eastern Equine Encephalitis ... Miller-Fisher GBS; Positive ... lymphoma OTHERS - Acute ... Differential #Diagnosis #Causes
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... Causes of Dyspnea ... Chronic: Ascites, Pregnancy ... myasthenia crisis), Encephalitis ... #Chronic #Causes
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Symptoms: • Acute ... • Gram stain: Positive ... in 60%-90% • Culture ... : Positive in 70% ... by CSF or urine 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 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
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
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Physiologic Causes ... arteries) • Pregnancy ... Pathologic Causes ... significantly positive ... Diagnoses: • Acute
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
PML, toxoplasmic encephalitis ... Toxoplasmic Encephalitis ... Demyelinating disease caused ... specific and <25% culture ... positive Cryptococcal