19 results
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
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
IBD, age > 70, pregnant ... Few infectious causes ... of acute gastroenteritis ... 196 (1.5%) had a positive ... #Indications #diagnosis
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 ... postpartum #Diagnosis
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
- Differential Diagnosis ... >10 mmHg - clinically ... • Cirrhosis/acute ... Fatty liver of pregnancy ... #causes #hepatology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
- Differential Diagnosis ... Physiologic Causes ... arteries) • Pregnancy ... significantly positive ... : • Acute Coronary
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... An acute rise or ... 109 mm Hg) with clinical ... Pregnancy-associated ... #Differential #Diagnosis
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... by serositis • Acute ... incisional hernias: clinical ... radicular pain #Rare #Causes ... #differential #diagnosis
Diagnostic Criteria for Sweet Syndrome (Acute Febrile Neutrophilic Dermatosis)
Major criteria 
 1. Abrupt onset of tender
Diagnostic Criteria ... Sweet Syndrome (Acute ... Febrile Neutrophilic Dermatosis ... inflammatory disease, or pregnancy ... rate >20 mm/h; positive
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... Proves cause-effect ... diseases, describe clinical ... = incidence in acute ... #calculations #diagnosis
Cullen's sign. Lipase 1,781. Bruising in the skin around the umbilicus. This sign is named after
associated with acute ... conditions that cause ... necrosis, ectopic pregnancy ... , or other causes ... the context of acute