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Rectal Temperature with Electronic Thermometer

Written by Hollie Finders, RN
Hollie Finders is a registered nurse with years of experience working in the health care field. She has degrees in both biochemistry and nursing. After working with patients of all ages, Hollie now specializes in pediatric intensive care nursing. Hollie’s LinkedIn

Procedure

Equipment needed: rectal thermometer, disposable probe cover, lubricant, tissue, and gloves

  1. Perform hand hygiene and put on gloves.
  2. Explain the procedure to the patient and ask for their assistance in following directions.
  3. Raise the side rail on the patient’s left side for safety. If the bed can be raised, adjust it to a comfortable working height.
  4. Assist the patient into Sims’ position (left side lying).
  5. Adjust the linens to expose only the buttocks.
  6. Apply a disposable cover to the temperature probe. Be sure the probe cover is secure and locked into place.
  7. Apply an adequate amount of lubricant to the probe cover. Ensure the tip and 1-2 inches of the probe is lubricated.
  8. Using one hand, separate the buttocks to expose the anus.
  9. With the other hand, insert the lubricated probe 1-1.5 inches into the rectum in the direction of the umbilicus. If there is any resistance, stop the procedure immediately, withdraw the probe carefully, and notify the medical professional. Do not force the probe into the rectum.
  10. Hold the probe in place until the thermometer signals completion (depending on the device, it may flash or beep). Read the temperature on the electronic display screen.
  11. Gently remove the probe and eject the disposable probe cover into the waste bin.
  12. Use a tissue to wipe away any excess lubricant or feces found around the patient’s anus. Dispose of the tissue in the proper waste receptacle.
  13. Assist the patient back into a comfortable position and, if raised, return the bed to the lowest setting.
  14. Return the thermometer to its base unit.
  15. Remove gloves and perform hand hygiene.
  16. Record temperature, method used (rectal), date, and time in the patient’s chart.
  17. Alert the medical professional of any changes in the patient’s condition.

Important Information

A rectal temperature provides the most accurate core body temperature reading compared to other non-invasive methods [1]. This makes a rectal temperature desirable; however, this procedure comes with more patient discomfort and more safety risks (bowel perforation, mucosal damage, and/or vagus nerve stimulation) than the other temperature measurement methods [2]. In order to avoid these risks, the nurse’s assistant must communicate with the patient throughout the procedure, encouraging him or her to relax, take deep breaths, and remain still.

Prior to performing a rectal temperature, the nurse’s assistant should verify with the nurse that the patient does not have any of the following contraindications: diarrhea, hemorrhoids, rectal bleeding, rectal disease, recent rectal surgery, bleeding tendencies, neutropenia, or certain heart conditions [3].

References

1. https://www.ncbi.nlm.nih.gov/pubmed/7663592

2. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3440892

3. https://www.guideline.gov/summaries/summary/36842L

More Resources

Fowler’s Position

Fowler’s position is used when a patient is eating, is having difficulty breathing, or is ordered by a doctor. This position is easily recognized because the patient will be sitting “straight up.” Semi-Fowler’s is sitting “half-way up,” and is used when patients cannot be laid flat, but wish to be in a more relaxed position than Fowler’s.

Perineal Care of the Female Resident

Perineal care should be performed during a bath, after using the bedpan, and/or after incontinence. Proper technique is important for maintaining hygiene, preventing infection, and avoiding skin breakdown. Because of the close proximity between a woman’s urethra, vagina, and anus, it is essential to only wipe in a front to back motion. Wiping in the opposite direction is associated with a greater risk for developing a urinary tract infection.

Perineal Care of the Male Resident

Perineal care should be performed during a bath, after using the bedpan, and/or after incontinence. Special care should be used when performing perineal care on an uncircumcised male. Failure to retract and wash the area under the foreskin can result in infection. Failure to return the foreskin to its normal position can result in paraphimosis.

Assisting the Resident to Transfer from the Bed to a Chair or Wheelchair

It is important to remember on which side to place the chair when assisting a patient in transferring. Putting the chair on the resident’s unaffected side allows the resident to lead with his or her strong extremity. This eases the procedure for the resident and reduces the risk of falling.

Axillary Temperature with Electronic Thermometer

Compared to other temperature measurement methods, the axillary measurement is considered the least reliable. An axillary temperature measurement typically reads 0.5 to 1 degree Fahrenheit lower than an oral temperature reading [1]. For this reason, it is recommended to use this method only when other methods are contraindicated or when taking an axillary temperature is the safest method for the patient.

Indwelling Catheter Care

Indwelling catheters allow urine to drain from the bladder. They are used when residents are unable to urinate on their own or when the process of cleaning the resident after urination would be difficult for the resident to tolerate (such as during end of life care). Caring for the catheter appropriately is a vital part of preventing infection and skin breakdown.

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