#1201Medicine & HealthFront Page25 March 2026
The Silent Threat of Firefighter Physical Fatigue: How Heartbeats Reveal Hidden Exhaustion
Researchers have discovered a way to detect extreme exhaustion in emergency responders by analysing subtle changes in heart rate variability. Using machine learning to read electrocardiogram signals, a new model can accurately identify when a responder has reached their absolute physical limit.
By Zheng, Hao, Wang, Hao, Fu
