What are dermal punctures? A dermal (skin) puncture may be required when a venipuncture cannot be performed or may be the option of choice for some point-of-care test procedures. A dermal puncture may be a
What are dermal punctures?
A dermal (skin) puncture may be required when a venipuncture cannot be performed or may be the option of choice for some point-of-care test procedures. A dermal puncture may be a fingerstick or, in the case of small infants, may be a heelstick.
Where do you do a dermal puncture?
Perform the puncture on the most medial or most lateral portion of the plantar surface of the heel. Avoid a previous puncture site. Punctures must never be performed on the posterior curvature of the heel, the arch of the foot, or on fingers of a newborn or infant less than one year old.
What is a skin puncture?
Skin Puncture. Collected For: CSTK-09, Definition: Puncture of the skin with a needle or introducer to provide an entry site for arterial access.
What are the steps for a dermal puncture?
Dermal Puncture
- Acquire and examine requisition.
- Introduce yourself to the patient.
- Identify the patient by asking their name and comparing it to the requisition and printed labels.
- State the procedure you are to perform and answer any questions they may have.
- Informed consent is necessary before drawing in all cases.
What is another name for a dermal puncture?
What is another name for a dermal puncture? Capillary stick.
What blood is obtained from a dermal puncture?
Dermal Puncture and Capillary Blood Collection (Online CE Course) Phlebotomists and point-of-care instrument operators (laboratory, nursing and respiratory therapy personnel) frequently need to perform dermal punctures to collect capillary blood specimens for testing.
What is the most common site for skin puncture in adults?
The distal end of the third or fourth finger is the most commonly used site. The very tip of the finger should not be punctured because there is a greater chance of puncturing bone as the bone is close to the skin surface.
What is an appropriate dermal puncture site for adults?
But what is an appropriate site? Finger – Usually the third or fourth finger is preferred in adults and children. The thumb has a pulse and is likely to bleed excessively. The index finger can be calloused or sensitive and the little finger does not have enough tissue to prevent hitting the bone with the lancet.
What is the maximum acceptable width for a dermal puncture?
Phlebotomy Chapters 1 – 10
| Question | Answer |
|---|---|
| What is the maximum acceptable width for a dermal puncture? | 2.4mm |
| Which antiseptic may affect the results of tests for bilirubin, uric acid, potassium and phosphorus from a dermal puncture and therefore should not be used on a dermal puncture? | Povidone-iodine |
Which of the following would be the most appropriate site for a dermal puncture?
The heel of the foot is the preferred site for dermal puncture and capillary blood collection for infants less than 12 months old.