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Did You Know Your Stethoscope Can Make Your Patients Sick?



As healthcare professionals, we're trained to be cautious and thorough in our care of patients. However, there's one thing we may not always be mindful of: the hygiene of our stethoscopes. According to a study in the Society for Healthcare Epidemiology of America, stethoscopes can harbor harmful bacteria that can compromise infection control measures. In this blog post, we'll delve into the dangers of an unwashed stethoscope and what we can do to ensure we're using this essential tool safely.


Stethoscopes are a staple for any medical professional, but they may be crawling with harmful bacteria. A study in the Journal of Hospital Medicine found that stethoscopes were just as contaminated with bacteria as healthcare providers' hands. This is especially concerning because healthcare professionals tend to use the same stethoscope on multiple patients throughout the day. With bacteria such as Staphylococcus aureus and Pseudomonas aeruginosa found on stethoscopes, it's important to clean them regularly.


So how do we clean our stethoscopes effectively? The Centers for Disease Control and Prevention recommend wiping down the diaphragm and the earpieces with an alcohol-based disinfectant after each patient use. If a cloth is used to clean the stethoscope, it should be soaked in the disinfectant solution and wrung out before use. Additionally, some stethoscopes have removable earpieces and diaphragms that can be soaked in disinfectant and allowed to air dry.


While cleaning stethoscopes after each use is essential, it's also important to replace them periodically. Stethoscopes that are used frequently can wear out and harbor more bacteria than newer ones. Consider purchasing a high-quality stethoscope that can withstand frequent use and maintain its accuracy, but don't forget to clean it regularly as well.

It's also important to educate patients on stethoscope hygiene. Just as healthcare professionals can inadvertently transfer bacteria from one patient to another, patients can bring harmful bacteria into the healthcare setting. Make sure patients understand the importance of washing their hands and keeping their own equipment, such as hearing aids or nasal oxygen cannulas, clean to prevent the spread of infection.


Stethoscopes are vital tools for healthcare professionals, but they can also pose a threat to infection control measures. We must make cleaning our stethoscopes a part of our daily routine to ensure that we're not inadvertently putting our patients at risk. While cleaning and replacing stethoscopes can be time-consuming and costly, it's a small price to pay for the peace of mind that comes with knowing we're doing all we can to keep our patients safe.




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