A frail, older adult home health patient who had chickenpox as a child has been exposed to varicella (chickenpox) several days ago. What should the nurse do?

A. Provide a heart-healthy low-potassium diet:

While a heart-healthy low-potassium diet is essential for managing chronic hyperkalemia and preventing future occurrences, it is not the first intervention to implement in a patient with a serum potassium level of 7.5 mEq/L and exhibiting cardiovascular changes. The effects of dietary changes on serum potassium levels are gradual and may take days to have a significant impact. In an acute situation like this, immediate interventions are needed to rapidly lower potassium levels and address the associated cardiovascular risks.

B. Prepare to administer sodium polystyrene sulfate 15g by mouth:

Sodium polystyrene sulfate is a medication used to exchange sodium for potassium in the gastrointestinal tract, effectively lowering serum potassium levels over hours to days. While it is a valid treatment for hyperkalemia, its onset of action is not immediate enough to address the urgent cardiovascular changes seen in severe hyperkalemia. Therefore, it is not the first-line intervention in this scenario.

C. Prepare the patient for hemodialysis treatment:

Hemodialysis is an effective method for rapidly lowering serum potassium levels in cases of severe hyperkalemia. However, it is a more invasive and time-consuming procedure that requires preparation, including vascular access and dialysis setup. It is typically reserved for situations where other interventions have failed or in patients with severe or refractory hyperkalemia. In the context of this scenario, where the patient has a serum potassium level of 7.5 mEq/L and is exhibiting cardiovascular changes, hemodialysis may be considered if initial interventions are not successful, but it is not the first action to implement.

A. Elevation of the head of the bed by 30 degrees: While elevation of the head of the bed may be necessary for certain medical conditions, it is not the priority concern in a client with a gasoline burn. Decontamination and assessment of the burn injury take precedence.

B. Determining the amount of gasoline that the client encountered: While it's important to gather information about the circumstances of the injury, including the amount of gasoline involved, this is not the priority concern at the immediate moment. Decontamination and assessment of the burn take precedence over obtaining historical information.

C. Asking the client when they last ate a meal: While assessing the client's nutritional status and potential need for dietary interventions is important, it is not the priority safety concern in the context of a gasoline burn. Decontamination and assessment of the burn injury are more critical at this time.

D. Decontamination of the client

When a client sustains a gasoline burn, the priority safety concern is to decontaminate the client. Gasoline can cause chemical burns and can be absorbed through the skin, leading to systemic effects. Therefore, it's crucial to remove any remaining gasoline from the client's skin and clothing to prevent further absorption and minimize the risk of complications.