Paeds · investigations-procedures-and-technology
Paediatric venepuncture and peripheral intravenous access
Also known as Paediatric cannulation · Paediatric IV access · Child venepuncture · Paediatric peripheral cannula insertion
A fellowship approach to paediatric venepuncture and peripheral intravenous access: choose a site by age (dorsal hand veins first, then antecubital fossa, forearm and great saphenous at the ankle), select a cannula gauge by age and indication (24G neonate and infant, 22G infant and small child, 20G older child, 18G adolescent or rapid bolus), apply a systematic comfort bundle (topical anaesthesia at the correct lead time, oral sucrose, distraction, comfort positioning and a single calm operator), use ultrasound-guided access for the difficult-access child, and escalate to intraosseous access when peripheral attempts fail in an emergency.
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- A pale, bradycardic child during venepuncture — a vasovagal reaction that can progress to syncope or, in the already unwell child, loss of output
- Bright red, pulsatile flashback or a limb that goes cold and pale distal to the cannula — accidental arterial cannulation or intra-arterial injury
- Pain, swelling, blistering or skin discolouration around a running cannula — extravasation of a vesicant drug that can cause tissue necrosis and needs immediate action
- Repeated blind attempts in a distressed, vasoconstricted or shocked child — destroys veins, traumatises the child and delays resuscitation; escalate to ultrasound or intraosseous access
- A neonate given prilocaine-containing EMLA — risk of methaemoglobinaemia; EMLA is avoided in infants under three months and the preterm infant
- A needlestick injury to staff — bleed, wash, report, and assess for blood-borne virus post-exposure prophylaxis within hours
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- Procedural skills and safety
- Acute and emergency assessment
- Safe prescribing and medication safety
- Current 2026 PREP curriculum — Learning Objective 1.1.2: Perform common paediatric procedures safely and with appropriate consent and comfort measures
- Renewed curriculum for first-year trainees from 2027 — Learning goal 6: Clinical management – essential general paediatrics
- Renewed curriculum for first-year trainees from 2027 — Learning goal 11: Quality and safety
- Clinical Applications
- Medical Sciences — procedural pharmacology and analgesia
- Acute and emergency care
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- Procedural and communication scenarios
- 1. Emergency and acute care
- 4. Professional skills and knowledge: Patient management
- 7. Patient safety, including safe prescribing and procedural safety
- 9. Safe prescribing and procedural safety
- Foundation of Practice (FOP)
- Theory and Science (TAS) — applied pharmacology of local anaesthesia
- Applied Knowledge in Practice (AKP)
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- Safe prescribing and procedural skills
- General Pediatrics Content Outline — Emergency and critical care
- General Pediatrics Content Outline — Procedures
- General Pediatrics EPA 9: Performing common pediatric procedures
- Patient Care 4: Clinical Reasoning
- Patient Care 5: Patient Management
- Systems-Based Practice 1: Patient Safety
- Practice-Based Learning 2: Procedural competence
- Medical Expert
- Pediatrics: Foundations EPA #9 — Performing common procedures
- Pediatrics: Foundations EPA #1 — Recognizing deteriorating and/or critically ill patients and initiating stabilization
A dehydrated 18-month-old is brought to the emergency department dry-mouthed and listless, and you need a cannula in the next few minutes to give fluids. There is a small window to get this right, because a frightened, crying child collapses the very veins you are trying to find, a cold and vasoconstricted limb hides them, and each failed attempt destroys the next site and hardens the child's (and the family's) fear of needles for years to come. This page teaches the whole procedure — the sites, gauges, comfort bundle, ultrasound-guided pathway, and what to do when access fails — so that the first attempt is calm, quick and successful. [1] [9]
Why (sampling or therapy) · Where (site by age) · What gauge (smallest cannula that delivers) · What comfort (topical anaesthesia, sucrose, distraction) · Who (one calm operator, two attempts then escalate). Ask all five before you put a needle in a child. [7]
Overview & Definition
Imagine you are asked to "get access" on a child. The first thing to pin down is which of two different procedures is meant, because they share a needle and a vein but diverge in purpose, equipment and risk. Venepuncture is a one-off puncture of a vein, usually with a winged infusion butterfly needle, to take a blood sample; the needle comes out as soon as the tubes are filled. Peripheral intravenous cannulation is the placement of a short plastic cannula that stays in the vein so that you can give fluids, drugs or contrast over hours or days. Examiners test this distinction deliberately, so hold it precisely: venepuncture samples, cannulation treats. [7]
Both procedures live at the interface of technical skill and behavioural skill, and that is what makes children different from adults. A child's vein is small and mobile and often hidden under subcutaneous fat, the child is frightened and uncooperative, and the family is watching. The technical act of putting a needle in a vein is therefore inseparable from the act of keeping the child calm enough for that vein to fill. Treat comfort not as a kindness added at the end but as a procedural step as real as skin preparation. [9] [12]
The key idea a candidate must hold is the buffer. In an elective adult cannulation you can afford a slow, methodical search and a second or third attempt. In a child each attempt consumes the buffer of cooperation: the child cries, veins constrict, parents become distressed, and the next attempt becomes harder, not easier. Every choice you make before the needle — the topical anaesthesia applied an hour ago, the sucrose given, distraction ready, right operator, right site — exists to preserve that buffer so the first attempt succeeds. [7]
References12ShowHide
- [1]Bair AE, Rose JS, Vance CW, et al. Ultrasound-assisted peripheral venous access in young children: a randomized controlled trial and pilot feasibility study. West J Emerg Med, 2008.PMID 19561750
- [2]Poulsen E, Aagaard R, Bisgaard J, et al. The effects of ultrasound guidance on first-attempt success for difficult peripheral intravenous cannulation: a systematic review and meta-analysis. Eur J Emerg Med, 2023.PMID 36727865
- [3]Álvarez-Morales L, Gómez-Urquiza JL, Suleiman-Martos N, et al. Ultrasound-guided peripheral intravenous cannulation by emergency nurses: a systematic review and meta-analysis. Int Emerg Nurs, 2024.PMID 38401479
- [4]Refosco M, Mazza A, Divisic A, et al. Comparison of peripheral cannula outcomes, ultrasound-guided placement of deep veins versus blind placement of superficial veins. J Vasc Access, 2025.PMID 39305185
- [5]Jamal AN, Ruse N, Wellings T, et al. Outcomes of a comprehensive ultrasound guided peripheral IV insertion (USGPIV) training program in the pediatric emergency department. J Emerg Nurs, 2023.PMID 37589623
- [6]Ray-Barruel G, Pather P, Schults JA, et al. Handheld ultrasound devices for peripheral intravenous cannulation: a scoping review. J Infus Nurs, 2024.PMID 38422403
- [7]Russell SC, Doyle E. A risk-benefit assessment of topical percutaneous local anaesthetics in children. Drug Saf, 1997.PMID 9113495
- [8]Eichenfield LF, Funk A, Fallon-Friedlander S, Cunningham BB. A clinical study to evaluate the efficacy of ELA-Max (4% liposomal lidocaine) as compared with eutectic mixture of local anesthetics cream for pain reduction of venipuncture in children. Pediatrics, 2002.PMID 12042548
- [9]Lal MK, McClelland J, Phillips J, et al. Comparison of EMLA cream versus placebo in children receiving distraction therapy for venepuncture. Acta Paediatr, 2001.PMID 11236044
- [10]Cavicchiolo ME, Daverio M, Battajon N, Frigo AC, Lago P. A single dose of oral sucrose is enough to control pain during venipuncture: a randomized clinical trial. Front Pain Res, 2022.PMID 35634454
- [11]Haidar NA, Al Amri MH, Al Otaibi AF, et al. Efficacy of Buzzy device versus EMLA cream for reducing pain during needle-related procedures in children: a randomized controlled trial. Pediatr Emerg Care, 2024.PMID 37163686
- [12]Balan R, Bavdekar SB, Jadhav S Can Indian classical instrumental music reduce pain felt during venepuncture? A randomized controlled trial. Indian J Pediatr, 2009.PMID 19390796