High temperatures increase the risk of heart attack, stroke, arrhythmias and heart failure
The high temperatures recorded this summer could help make 2024 one of the hottest years in history. They are also a warning for heart health, especially for people with pre-existing cardiovascular disease.
“The hot days we are experiencing, with temperatures above 30 degrees, can cause dilation of blood vessels, leading to a reduction in blood pressure. This forces the heart to work harder to pump blood, which increases the risk of events such as heart attack, stroke, arrhythmias and heart failure,” explains cardiologist Bianca Maria Prezepiorski, medical director of the Costantini Cardiology Hospital in Curitiba.
Heat increases sweating, which can lead to dehydration. This can reduce blood volume, making the heart work harder to pump blood.
“The body works to cool itself by increasing blood flow to the skin, which can increase the heart rate, putting more strain on the heart,” says Bianca.
In response to high temperatures, peripheral blood vessels may dilate to help dissipate heat, which can cause a drop in blood pressure and require more effort from the heart.
Practices to reduce risks
To reduce these risks, the cardiologist recommends practices for a healthier summer.
• Proper hydration – Drink plenty of water to compensate for fluid loss due to sweating. Avoid drinks containing caffeine and alcohol as they can increase dehydration.
• Avoid strenuous activities during peak heat – Reduce intense physical activity in the hottest periods of the day, opting for lighter activities in the cooler hours.
• Sun protection – Wear light, light-colored clothing and apply sunscreen. This helps reduce heat stress on the body.
• Cool environment – Store in air-conditioned or well-ventilated areas. Avoid staying for long periods in excessively hot places.
• Know your limits – Watch for signs of overheating such as dizziness, weakness, nausea and shortness of breath. Rest and move to a cooler place. If these symptoms persist, consult a doctor.
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Source: Terra
Ben Stock is a lifestyle journalist and author at Gossipify. He writes about topics such as health, wellness, travel, food and home decor. He provides practical advice and inspiration to improve well-being, keeps readers up to date with latest lifestyle news and trends, known for his engaging writing style, in-depth analysis and unique perspectives.
