13 results
You’ll notice there is an IgM and an IgG core antibody. The presence of IgM anti-HBc
indicates an acute HBV ... when fighting a HBV ... indicates a chronic HBV ... infected with HBV ... commonly run in the clinical
Hepatitis B (HBV) Serology

HBsAg - Presence denotes current HBV infection (chronic or acute)
HBV Core Antibody -
Hepatitis B (HBV ... denotes current HBV ... or acute) HBV ... Core Antibody - ... of active viral disease
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
cerebrospinal fluid DDX ... antibody and HIV ... -1 p24 core Ag - ... -1 antibody test ... disease progression
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Syndrome: • Clinical ... : HCV infection, ... HBV infection, ... HIV infection ... • Autoimmune diseases
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Avg age of DX ... to 8 years Clinical ... DDX - Other causes ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Disease 3 Types ... - Due to Viral infection ... Clinical Presentation ... Mycoplasma, EBV, HIV ... hemolytic #anemia #hematology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... sclerosis, NMOSD, MOG antibody ... glycoprotein (MOG) antibody ... simplex virus, HIV ... diagnosis #management #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
neurological lesion: Clinical ... Infections: - ... Viral: VZV, HSV, ... HIV, CMV, HTLV ... Sarcoidosis, Behcet disease
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Malignancy • Infections ... Diagnosis: • + Clinical ... Cryofibrinogenemia DDX ... • TTP, HUS and HIT ... Cryofibrinogenemia #diagnosis #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Studies in Rheumatic Diseases ... Additional tests: HIV ... ANA and RF (if clinical ... diagnosis #testing #Rheumatology