Cystic Fibrosis Flashcards
What is cystic fibrosis?
Genetic condition with thickened mucus secretions
What is the inheritance pattern of cystic fibrosis?
Autosomal recessive
What is the pathophysiology of cystic fibrosis?
Chromosome 7 defect
CFTR mutation
Ineffective cell surface chloride transport
Thickened fluids
What does CFTR stand for?
Cystic fibrosis transmembrane conductance regulator
How is a cystic fibrosis diagnosis made?
One or more phenotypic feature
Or history of CF in sibling
Or positive newborn screening test result
AND
increased sweat chloride concentration
How does cystic fibrosis present in an infant?
Meconium ileus - obstruction caused by meconium
Intestinal malabsorption
Chest infections
New born screening
What are complications of cystic fibrosis?
Bronchiectasis Pneumothorax Resp failure Pancreatic insufficiency Chronic liver disease Male infertility