Researchers have developed an AI app for COPD patients. It analyzes a patient's voice and detects signs of acute exacerbation（急性増悪）. COPD is a chronic lung disease usually caused by smoking, and patients often develop dyspnea on exertion（労作性呼吸困難*）. Sometimes, a patient's condition rapidly worsens, which is called an acute exacerbation. A delay in seeing a doctor is likely to become critical. So, this app is useful for shortening this delay. *動いた時に息苦しくなる症状
When I looked into it, I found that COPD patients' voice pitch tends to become a little higher in the early phase of an exacerbation. This app still seems to be under development, but I hope it will be available for clinical use as soon as possible.
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