A nurse is caring for an 18-month-old toddler in the emergency department. The nurse reviews the toddler's medical record and assessment findings. Which of the following provider prescriptions should the nurse anticipate?

Choice A reason: Intravenous immunoglobulin is a likely prescription, as it is used to treat Kawasaki disease, which is a rare but serious condition that causes inflammation of the blood vessels in children. The toddler has many signs and symptoms of Kawasaki disease, such as high fever, irritability, red eyes, dry lips, strawberry tongue, swollen hands and feet, rash, and enlarged lymph node. Intravenous immunoglobulin can reduce the risk of complications, such as coronary artery aneurysms, which can be life-threatening.

Choice B reason: Oral acyclovir is not a probable prescription, as it is used to treat viral infections, such as herpes simplex or varicella zoster, which are not the main problems of the toddler. The toddler has no evidence of a viral infection, such as blisters, vesicles, or crusts.

Choice C reason: Intramuscular penicillin is not a likely prescription, as it is used to treat bacterial infections, such as streptococcal pharyngitis or syphilis, which are not the main problems of the toddler. The toddler has no signs of a bacterial infection, such as purulent discharge, foul odor, or localized inflammation.

Choice D reason: Topical hydrocortisone is not a helpful prescription, as it is used to treat skin conditions, such as eczema or dermatitis, which are not the main problems of the toddler. The toddler has a rash that is caused by the inflammation of the blood vessels, not by an allergic or irritant reaction. Topical hydrocortisone may also worsen the rash or cause skin thinning or infection.

Choice A reason: Using a 20 gauge needle is not the best action, as it is too large for a preschooler's deltoid muscle. A 20 gauge needle has a diameter of 0.9 mm, which may cause more pain and tissue damage. A smaller gauge needle, such as a 23 or 25 gauge, is recommended for intramuscular injections in children.

Choice B reason: Inserting the needle just below the acromion process is not the best action, as it may not reach the deltoid muscle. The acromion process is the bony prominence at the top of the shoulder. The deltoid muscle is located on the lateral aspect of the upper arm, about two finger widths below the acromion process. The nurse should palpate the acromion process and measure the distance to the injection site.

Choice C reason: Inserting the needle at a 15 degree angle is not the best action, as it may not penetrate the muscle tissue. A 15 degree angle is used for intradermal injections, which are given into the dermis, the layer of skin below the epidermis. Intramuscular injections are given into the muscle tissue, which requires a 90 degree angle. The nurse should hold the syringe perpendicular to the skin and insert the needle quickly and firmly.

Choice D reason: Using a 1.8 mm (0.5 in) needle is the best action, as it is the appropriate length for a preschooler's deltoid muscle. The length of the needle should be based on the child's age, weight, and muscle mass. A 1.8 mm (0.5 in) needle is suitable for children who weigh less than 12 kg (26 lb). A longer needle, such as a 2.5 mm (1 in) needle, may be used for children who weigh more than 12 kg (26 lb).