14 results
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
- Anti-HBe - Acute ... of cases) - Acute ... immunity) - False-positive ... Interpretation #diagnosis ... #laboratory #hepatology
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... • Additional laboratory ... inflammation or chronic ... if serology is positive ... #gastroenterology
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
IBD, age > 70, pregnant ... infectious causes of acute ... 196 (1.5%) had a positive ... #Indications #diagnosis ... #gastroenterology
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
potentially be an acute ... Abdominal Pain: • Pregnancy ... pain • Ectopic pregnancy ... aneurysms • Acute ... #gastroenterology
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... CLINICAL CRITERIA - ACUTE ... CUTANEOUS LUPUS - CHRONIC ... ANA level above laboratory ... determined by Positive
RPR - False Positives
Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests
Acute (<6 months ... Infections • Acute ... Immunizations Chronic ... #differential #diagnosis ... #syphilis #laboratory
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
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
- Differential Diagnosis ... arteries) • Pregnancy ... disorders - Chronic ... significantly positive ... : • Acute Coronary
Nausea and Vomiting - Differential Diagnosis Algorithm

Upper Gastrointestinal - Acute
 • Infectious Gastroenteritis
 • Gastric/Duodenal Obstruction
- Differential Diagnosis ... Gastrointestinal - Chronic ... /Metabolic • Pregnancy ... Monoxide • Heavy Metal ... #Differential #Diagnosis
Chagas Disease - American Trypanosomiasis - Diagnosis and Management Summary
Chagas disease (American trypanosomiasis) is an infectious
Trypanosomiasis - Diagnosis ... Laboratory accidents ... weeks incubation Acute ... signs/symptoms, positive ... Tests - check Acute