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易發生猝死!「斷崖式冷凍天氣」來了 醫示警做好4防範措施

ETtoday
2024/12/19 | 2分鐘閱讀

記者鄺郁庭/綜合報導

「斷崖式冷天氣來了!」近日台灣氣溫驟降,黃軒醫師提醒,「斷崖式冷凍天氣」對健康威脅甚鉅,心血管疾病患者更須特別警惕。他指出,這類極端天氣不僅溫差大且降溫迅速,會增加血壓及心臟負荷,甚至提高猝死風險。「氣溫每下降1°C,心血管疾病死亡率就會增加1.6%。」一定要注意防寒措施。

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黃軒在粉專「黃軒醫師 Dr. Ooi Hean」表示,「斷崖式冷凍天氣」是指短時間內氣溫急降10°C或以上的極端天氣現象,常見於冷空氣快速南下時。他提到,這類天氣對人體影響深遠,包括外周血管收縮、血壓升高,以及增加血栓風險,進一步可能導致中風或心肌梗塞。

黃軒接著提到,冷凍斷崖易發生猝死的4原因,「1. 太冷了」,如果在又冷,又乾的季節,個人身體沒有保暖,房間沒有持續保暖,冷空氣使身體內血栓形成風險增加,往頭塞住腦血管,就是中風;往心臟塞住,就是心肌梗塞。「2.冷熱溫差變化,反覆發生」,溫差愈大,死亡率愈高。最後則是「3. 容易群聚感染」、「4. 延誤就醫」。

至於哪些慢性疾病,易在斷崖式的冷凍天氣,發生猝死?黃軒解答,大部分是心血管疾病、其他非心血管疾病(癌症,呼吸疾病、腸胃疾病、新陳代謝疾病)。要注意的是,冬天容易感冒,導致肺炎,喘不過來,引發心臟負擔,心律不整易發生,也可能導致猝死。

最後,他提供4大防寒建議:「及時增添保暖措施」、「避免劇烈溫差」、「關注高危人群」、「提高公共應急能力」。他呼籲:「提高防範意識,減少斷崖式冷凍天氣對健康的威脅!」

另外,他也在留言處hashtag「#台灣未來一周溫差變化極大」,補充道「當溫差愈大,死亡率愈高。當『溫差大於5°C 以上開始,愈來愈危險』…更何況『斷崖式冷凍溫差』驟變,其氣溫在數小時內『急降10°C』以上」,這對人體適應能力構成嚴峻挑戰。

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