Which finger is best for capillary collection?

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.

Which fingers are used for capillary puncture?

The following rules apply when capillary blood sampling is performed from a finger: The puncture must be on the palm-up surface of the distal segment (fingertip) of the middle or ring finger (Figure 3, a).

Which is the best site for a capillary draw?


The finger is usually the preferred site for capillary testing in an adult patient. The sides of the heel are only used in paediatric and neonatal patients. Ear lobes are sometimes used in mass screening or research studies.

Which is the best area of the finger to use for skin puncture?

The palmar surface of the fingertip (fleshy pad) of the middle (3) or ring (4) finger is usually selected for puncture for a variety of reasons. The fingertips of these fingers are usually less calloused, have fleshier pads and cause less discomfort for the patient.

What is the best finger to obtain blood from?

Choose your middle (3rd) or ring (4th) finger. Do not use your pinky or thumb, because you can hit bone on your pinky, and your thumb can bleed profusely. That sounds scary, but don’t worry, your middle and ring finger are safe. It is also recommended to choose your least used finger, so use your best judgment.

Why is ring finger preferred for capillary?

The middle or ring finger is preferred as having the greatest depth of tissue beneath the skin and hence offering the least chances of injury. The thumb or index finger may be more likely to be calloused or scarred, as well as being much more sensitive, making the procedure more painful.

What finger do you use for finger stick?

Best locations for a finger stick is the 3rd and 4th fingers of the non-dominant hand. Avoid the 2nd and 5th fingers if possible. Perform the stick off to side of the center of the finger.

Why do you need to wipe off first blood drop?

Some facilities test the first drop of blood. Others require nursing personnel to wipe away the first drop of blood with gauze, and test the second drop. The rationale for wiping away the first drop of blood is that the alcohol in the prep pad, and consequently on the fingertip, may alter values.

What is the ideal depth of skin puncture?

A penetration depth of 1.85 to 2.25 mm is recommended for adults, depending on the thickness of the skin. For children aged less than 8 years, the penetration depth should not exceed 1.5 mm.

When should you clean a website before capillary puncture?

When cleaning a site prior to capillary puncture, The favored antiseptic agent is povidone iodine.

Why you should not squeeze blood out of your finger after pricking?

(In general, guidelines advise against squeezing the finger too hard to get a blood drop because it may distort blood sugar readings.)

Does squeezing finger affect blood sugar reading?

Squeezing your finger

When you do that, you are getting some interstitial fluid rather than blood. A study shows that this “may lead to unreliable readings.” Gently warming the hands ahead of time can help so you don’t have squeeze so hard.

What is lancet for?

Lancets are small devices that provide a way to take blood samples. People with diabetes may use a lancet to test and monitor their blood glucose levels. Regular testing can help people manage their diabetes symptoms.

How does a finger lancet work?

Lancet Types

Standard – A standard exposed-blade lancet goes deep into the skin to reach the capillary blood, and it hits pain nerves on its path. Patients must use a new lancet for every prick. Repeated use dulls the blade, making each subsequent prick more painful, as well as introducing risk of infection.

What is 28g lancet?

A safety blood lancet, or simply lancet, is a small medical implement used for capillary blood sampling. A blood lancet is similar to a small scalpel but with a double-edged blade or needle. Lancets are used to make punctures, such as a finger stick, to obtain small blood specimens.

Is lancet a good journal?

The Lancet is an internationally trusted source of clinical, public health, and global health knowledge. The Lancet has an Impact Factor of 79·321 and ranks second among 169 general and internal medicine journals globally (2020 Journal Citation Reports ®, (Clarivate 2021).

What is the most trusted medical journal?

Description: The New England Journal of Medicine is the queen of all general medical journals. It is a weekly medical journal published by the Massachusetts Medical Society. It is known as the most prestigious medical journals as well as the oldest continuously published one.

What is Elsevier journal?

Elsevier (Dutch: [ˈɛlzəviːr]) is a Netherlands-based academic publishing company specializing in scientific, technical, and medical content.

Who owns Lancet?


The Lancet has been owned by Elsevier since 1991, and its editor-in-chief since 1995 is Richard Horton. The journal has editorial offices in London, New York, and Beijing.

Is Lancet open access?

Access to content

The Lancet began as an independent, international weekly general medical journal founded in 1823, and has evolved to a family of journals. An increasing number of journals within our portfolio are Gold Open Access, meaning all content is completely free to read; a number that is growing year on year.

Which medical journal has the highest Impact Factor?

Overview: Published for over 200 years, The New England Journal of Medicine aims to bring the best research to clinicians and health educators. It has the highest impact factor of any general medical journal in the world.

Is publishing in Lancet free?

No subscription or pay-per-view charges apply to any content published in The Lancet Global Health.

Who funds Lancet?

The Lancet Global Health Commission on High Quality Health Systems in the SDG Era is supported by funding from the Bill & Melinda Gates Foundation.

How do I get a Lancet journal?

  1. All Lancet journals are available via ScienceDirect for academic, corporate, and government institutions and Journals Consult for hospitals.
  2. Request institutional access for one or more Lancet journals that are relevant to your work and interests.
  3. Does The Lancet accept case reports?

    Over the years, the Lancet Case Report has changed. We no longer publish cases that amount to a trial of treatment or intervention in only one patient.

    Does NEJM publish case reports?

    For example, The New England Journal of Medicine (NEJM) does not accept free-standing case reports; however, other articles in this journal may contain case reports.

    Does The Lancet publish protocols?

    To help authors demonstrate that their findings are faithful to their research protocol, The Lancet, The Lancet Oncology, and The Lancet Neurology offer to publish links to the full study protocol on the authors’ institutional website.