system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The nurse is assigned to care for a client with cytomegalovirus retinitis and acquired immunodeficiency syndrome who is receiving foscarnet (Foscavir). The nurse carefully monitors which of the following laboratory test during the treatment with this medication, except?
assistant
The correct answer is  Renal impairment is the major toxicity involve in Foscarnet (Foscavir); This medicine also may cause decreased levels of calcium, magnesium, phosphorous, and potassium.