249 results
COVID-19 Diagnostics In Context
Nucleic acid tests (NATs, for viral RNA)
1. Real time RT-PCR
2. Isothermal amplifcation
3. CRISPR
4.
immunoglobulins, viral antigens ... Viral antigen tests ... diagnosis #testing #laboratory
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
ANA level above laboratory ... antibody level above laboratory ... to Sm nuclear antigen
Carcinoembryonic antigen (CEA)
 • CEA is a highly glycosylated cell surface glycoprotein involved in intercellular adhesion
Carcinoembryonic antigen ... Carcinoembryonic #antigen ... CEA #diagnosis #laboratory
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
to cost Stool antigen ... HPylori #Testing #Laboratory
Summary of Available Tests for Clostridium difficile Infection, in Decreasing Order of Sensitivity
 • Toxigenic culture
difficile common antigen ... difficile #CDiff #laboratory
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Definition: When antigens ... These antigens can ... either be self-antigens ... , or foreign antigens ... Antigen binds receptor
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Definition: Small antigen-antibody ... If self-antigens ... If bacterial antigens
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mediators: lgE - Antigen ... Form: Soluble antigen ... Form: Cell-bound antigen ... complex - Antigen ... Form: Soluble antigen
Cellular and humoral immune responses of the adaptive immune system. Activated T cells accomplish cellular immune
Exogenous antigen ... only occurs when antigen ... is presented by antigen-presenting ... Endogenous antigens ... millions of different antigens
Innate Immune Cells - Pathophysiology
The innate immune system consists of granulocytes, mast cells, natural killer cells,
are professional antigen-presenting ... to internalize antigens ... and present the antigens