A 900-g neonate arrives in the NICU at 34.0°C. The radiant warmer is available but has not been used for 30 minutes. You are asked to prepare the bed and initiate temperature control. Tasks: 1. State which mode you would use initially and justify it in this situation. [2 marks] 2. Describe the pre-warming requirement before the baby arrives. [2 marks] 3. Demonstrate/explain correct placement of the skin probe in the supine position, including two important 'don'ts'. [3 marks] 4. Give one advantage and one disadvantage of a radiant warmer compared with a closed system. [2 marks] 5. State one appropriate cleaning/disinfection point for the reusable probe. [1 marks]
neonate radiant warmer
radiant warmer neonatal skin probe placement prewarm manual mode guidelines
-
Initial mode: Manual mode.
The warmer has been off for 30 minutes and the mattress/linen are cold. Use manual mode initially, at high output as per local equipment protocol, to warm the bed and provide immediate radiant heat to this severely hypothermic 900-g infant. Once the probe is correctly secured and the infant is approaching normal temperature, change to servo (skin) mode, usually set at 36.5°C. WHO newborn thermoregulation guidance supports manual mode for initial pre-warming, then servo control after probe attachment. -
Pre-warming requirement:
- Switch on the radiant warmer at least 20-30 minutes before the baby arrives.
- Pre-warm the mattress and clean linen, commonly using manual mode at 100% heater output initially, so surfaces contacting the infant are warm. Since this warmer was unused for 30 minutes, begin this immediately while preparing the infant for transfer. WHO equipment guidance
-
Skin probe placement, supine infant:
- Attach the probe firmly to a soft, non-bony area of the abdomen, preferably the right upper abdomen. Place it so it lies between the baby's skin and the mattress, then secure with an appropriate reflective/transparent probe cover.
- Do not place it over a bony prominence.
- Do not place it over damaged/broken skin, and do not leave it loose or exposed to the radiant heater, as it may read falsely low and cause overheating.
Probe placement on the lower abdomen for supine infants and on the back for prone infants is also specified in this neonatal thermoregulation guideline.
-
Radiant warmer versus a closed system (incubator):
- Advantage: Provides unrestricted, rapid access for resuscitation, procedures, assessment, and lines.
- Disadvantage: Causes greater evaporative and convective heat loss and increased insensible water loss, particularly in an ELBW infant, compared with a humidified closed incubator. Neonatal guideline comparison
-
Reusable probe cleaning/disinfection:
After each patient, clean and disinfect the reusable probe using the manufacturer-approved disinfectant, then allow it to dry before reuse. Do not immerse it unless the manufacturer specifically permits this.