Chapter 10: Capillary Collection and Point-of-Care Testing

Front

What is capillary collection?

Back

Capillary collection is a method of obtaining blood samples from small blood vessels (capillaries), typically using a lancet to puncture the skin, often used for infants and point-of-care testing.

Front

Why is it important to have a parent present during heel stick collections?

Back

Having a parent present can help reduce the infant's pain and anxiety during the procedure.

Front

What is the purpose of newborn metabolic screening?

Back

Newborn metabolic screening is performed to detect certain genetic, endocrine, and metabolic disorders early in life, allowing for timely treatment.

Front

What should be done with the first drop of blood during a capillary collection?

Back

The first drop of blood should be wiped away to prevent contamination with tissue fluids.

Front

Why should the thumb be avoided for capillary collection?

Back

The thumb should be avoided because it has a pulse, which can affect the accuracy of the test results.

Front

What is a reason to avoid using the pinky finger for capillary collection?

Back

The pinky finger is too small, making it difficult to obtain an adequate blood sample.

Front

What is the significance of point-of-care testing?

Back

Point-of-care testing allows for immediate results and faster clinical decision-making, often performed at the site of patient care.

Front

What are common sites for capillary blood collection in infants?

Back

Common sites include the heel (for infants) and the fingertip (for older children and adults).

Front

What is the role of a lancet in capillary collection?

Back

A lancet is a small, sharp device used to make a quick puncture in the skin to obtain a blood sample.

Front

What is the recommended depth for a heel stick in infants?

Back

The recommended depth for a heel stick in infants is typically 2.0 to 2.5 mm to avoid injury to deeper tissues.