Laboratory Diagnosis of Cystic Fibrosis (Online CE Course)

Continuing Education Credits

P.A.C.E.® Contact Hours (acceptable for AMT, ASCP, and state recertification): 1 hour(s) Approved through 6/30/2025

Florida Board of Clinical Laboratory Personnel Credit Hours - General (Clinical Chemistry/UA/Toxicology): 1 hour(s) Approved through 6/30/2025

Objectives

• Describe the clinical presentation of cystic fibrosis (CF).
• Describe how mutations in the CF gene lead to the clinical manifestations of the disorder.
• Outline the laboratory diagnosis of CF to include newborn screening, the sweat test, and DNA testing.
• Describe the components of a quantitative sweat chloride test to include reference ranges.
• Compare screening sweat tests to confirmatory sweat tests.
• Discuss the current treatment options for CF.

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Course Outline

• Introduction to Cystic Fibrosis
• Course Introduction
• The History of CF
• History of CF and Diagnostic Testing
• Pathophysiology of CF
• Pathophysiology of CF
• Mutations of Cystic Fibrosis Transmembrane Conductance Regulator (CFTR)
• CF is due to a defect in a protein which functions as a(n):
• Clinical Presentation
• Overview of Clinical Characteristics
• Pulmonary Disease
• Pancreatic Disease
• Sweat Gland Involvement
• Gastrointestinal and Liver Disease
• Reproductive System
• Which of the following pathogens is not typically associated with CF pulmonary disease?
• Which of the following statements concerning the sweat of patients with CF is true?
• Laboratory Diagnosis of CF
• Laboratory Diagnosis of CF
• Newborn Screening (NBS) in the United States
• DNA Testing
• Why do patients with a positive newborn screening test for CF require confirmation of the diagnosis?
• Sweat Testing
• Sweat Testing
• Sweat Stimulation
• Sweat Collection
• Collecting An Adequate Sweat Sample
• Quantitative Sweat Analysis
• Screening Tests for Sweat
• Reference Intervals for Sweat Chloride
• Reference Intervals for Sweat Conductivity
• Quality Assurance for Sweat Testing
• CF is the only disorder that will result in increased sweat chloride concentrations.
• When performing sweat testing for CF diagnosis, how long is sweat stimulated by iontophoresis and how long is it collected?
• Treatment
• Treatment
• Treating the Symptoms
• Treating the Protein Defect
• Gene Replacement
• Which of the following statements is true concerning medications that treat the protein defect in CF?
• Summary
• Summary
• References
• References

Additional Information

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