8 results
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Virus Serology and Interpretation ... DNA level) or HBeAg-negative ... DNA level) - ... #diagnosis #laboratory ... #hepatology
Interpretation of Hepatitis B Serologies 
HBsAg - HBcAb (total) - HBcAb (IgM) - HBsAb
Susceptible to HBV
Immune
Interpretation of ... Susceptible to HBV ... infection vs "Low level ... Serologies #serology #diagnosis ... #hepatology #interpreation
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Transaminase Levels ... normal - Infection (EBV ... Liver #Injury #hepatology ... #LFTs #transaminitis ... #differential #diagnosis
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Chemistries - Interpretation ... of LFTs R-value ... Hepatocellular Level ... liver #chemistry #diagnosis ... #differential #Hepatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
late adulthood • Diagnosis ... to 8 years Clinical ... conditions Diagnosis ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Aplastic Anemia Clinical ... recurrent infections/fevers ... index < 2 • EPO Level ... Anemia #oncology #hematology ... #diagnosis #management
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Additional tests: HIV ... function tests (LFTs ... (to support a diagnosis ... ANA and RF (if clinical ... laboratory #workup #diagnosis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral Infection Clinical ... - Mycoplasma, EBV ... Symptoms: High fevers ... hemolytic #anemia #hematology ... #diagnosis