According to a report by Chinese media on August 1, Shanghai’s temperature will rise once more within the next ten days. This year’s heatwave reached its fourth round of consistently high temperatures.

When the high temperature in Shanghai soared to 40 ℃ (104 °F) on July 23, many people played in the water to cool off. 

On August 5, the temperature throughout China was still high, especially in Shanghai, where it exceeded 40 ℃ (104 °F). 

Due to the latest heatwave, many elderly people were hospitalized due to severe heat stroke. Some doctors said the incidence rate was significantly higher than in previous years.

According to Guo Jian, deputy director of the emergency department at Yueyang Hospital of Integrated Traditional Chinese and Western Medicine affiliated with Shanghai University of Traditional Chinese Medicine, rough statistics say that more than 20 patients with mild heatstroke and heat stroke were admitted to the emergency department in July 2021. Also, 7 or 8 patients were treated at the fever clinic in the same month. 

Guo Jian pointed out that judging from the current patient reception, most cases of severe heat stroke are among the elderly. The elderly may have underlying diseases themselves, or they may not tell their family or seek medical treatment in time when they feel unwell and minimize the symptoms. In the end, they may faint before being sent to the hospital for treatment.

For example, Granny Zhang (pseudonym), just discharged from the hospital, suffered a heat stroke during the last wave of high temperatures of 40 ℃ (104 °F). In those days, she felt a little unwell, but she didn’t tell her children, and she didn’t seek medical treatment. Once, she fainted while going out to buy vegetables and was sent to the doctor.

There is also an older man who fainted at home, felt his body was getting better, and did not pay much attention. Later, he developed a high fever, fainted, and was sent to the hospital. The patient has severe heat stroke and multiple organ failure and is undergoing rescue treatment.

Additionally, he noted that this year’s prolonged periods of high temperatures above 38°C (100.4 °F) exceeded the capacity of the human body to self-regulate, leading to a much higher incidence of heat stroke than in prior years. 

According to Xinmin Evening News, Shanghai upgraded the weather warning to “red” on August 5. 

On the same day, Xujiahui station measured a high temperature of 40.2 °C (104.36 °F), becoming the fourth time this year that it exceeded the record of 40 °C (104 °F). Most parts of Shanghai were 39°C (102.2 °F) or less. 

The report said, “In the next few days, the position of subtropical high pressure is very stable, Shanghai is always near its center, so the high temperature can not be seen.”

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