Heart patients should avoid extreme temperatures because…


Fluctuation in temperature can affect blood pressure and cause a sudden rise in levels.

People with cardiovascular disease and those with risk factors should avoid extreme exposures, health experts said Wednesday. “Exposure to extreme cold or heat without any prior acculturation could cause alterations in cardiovascular function. Therefore, patients with risk factors for cardiovascular diseases should avoid such extreme exposures,” Harshal R Salve, additional professor, center of community medicine, AIIMS, New Delhi, told IANS.

He also urged people to be “aware of cardiovascular health, such as blood pressure, deep vein thrombosis, uncontrolled diabetes status, before venturing into extreme weather events.”

Cardiologist Ashwani Mehta of a city hospital said many people suffer heart attacks in winter.

It is mainly due to temperature fluctuation that can increase blood pressure levels.

“It can even increase the sympathetic response to changes in blood pressure, causing an increase in blood pressure and heart rate; and the arteries can constrict.”

Several studies show that platelet aggregability and the tendency to form clots in the arteries increase during the winter season. This can also increase the rate of heart attacks during the winter season.

Exposure to extreme cold can affect the heart, brain and other vital organs. The body should be kept warm to help reduce constriction of blood vessels and reduce stress on the heart.

Sudden exposure to cold can also cause stress on the heart, leading to angina or heart attacks. It is recommended to warm up before going outdoors and avoid strenuous activities immediately after going outside.

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Mehta also urged devotees going to the Maha Kumbh to “concentrate on not exposing themselves to very high levels of temperature fluctuation.”

Braving the biting cold, over 3.5 million devotees took the holy dip at Sangam on the first Amrit Snan, on Makar Sankranti on Tuesday.

Maha Kumbh 2025 is celebrated after 12 years and is a spiritual event that attracts more than 450 million devotees from around the world. The mega event will continue until February 26.






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