On the evening of July 28, 2023, an unusual event unfolded at JR Fukushima Station that highlighted the importance of vigilance in transportation safety. At around 5:35 PM, while the operators were ...
PM, just as the train crew was disconnecting the Yamagata Shinkansen from the Tohoku Shinkansen. When the crew noticed an abnormal noise, they promptly halted operations to assess the situation. Such ...
1 个月
Verywell Health on MSNWhat Are Heart Sounds and How to Know If They’re NormalS3 (gallop) is an abnormal heart sound. It is not usually present but may be heard after S2. It can be considered a normal sound in people under 40. But in those over 40, it can indicate heart ...
8 个月
Health on MSNWhat Causes a Heart Murmur?A heart murmur is an abnormal sound your heart makes when it beats, often sounding like a whooshing or swishing noise. You ...
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