To prevent infection in an immunocompromised patient, which precaution is essential before entering the room?

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Meticulous hand hygiene before entering is the most important measure to protect an immunocompromised patient from infection. Hands are the main way pathogens are transferred from surfaces, equipment, or other people to the patient, so a thorough wash removes these potential microbes before you touch the patient or their surroundings. Follow standard hand hygiene practices: wash with soap and water for about 20 seconds if hands are visibly dirty; otherwise, use an alcohol-based sanitizer, making sure to cover all hand surfaces and rub until dry.

Gloves aren’t a substitute for hand hygiene and aren’t needed for routine activities; they’re used for specific tasks and must be changed between tasks and when removing them. Fresh flowers can introduce fungi or bacteria into the room and are generally avoided for immunocompromised patients. Sharing utensils can spread pathogens and should be avoided.

So, washing your hands carefully before entering directly reduces the risk of bringing infections to the vulnerable patient.