Dangerous Summer Heat: Cardiologists Offer Tips to Protect Your Heart
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Summer can be a delightful season, but the intense heat can pose serious risks to your heart, especially for those with pre-existing conditions. We gathered cardiologists' insights on how to stay safe during extreme temperatures.
High temperatures can be particularly challenging for individuals with heart conditions. In extreme heat, our bodies can lose up to two liters of fluid per hour through sweating. This fluid loss is not just uncomfortable—it can also be dangerous, especially for those on medications that affect blood pressure or fluid balance.
Certain medications, such as diuretics used to manage high blood pressure or heart failure, can exacerbate dehydration. Diuretics increase urine production, which, combined with fluid lost through sweating, can lead to significant fluid depletion. This may cause a dangerous drop in blood pressure and, in severe cases, lead to dizziness or fainting.
How to Protect Your Heart in the Heat
To minimize the risks associated with summer heat, follow these guidelines:
1. Avoid Extreme Heat: Stay out of the sun during peak hours, usually between 10 a.m. and 4 p.m., when temperatures are highest.
2. Stay Hydrated: Drink plenty of fluids throughout the day. Water is ideal, but oral rehydration solutions can help replenish electrolytes if you're sweating heavily.
3. Plan Physical Activities Wisely: If you need to exercise, do so early in the morning or late in the evening when temperatures are cooler.
4. Monitor Your Health: For individuals with heart conditions, it's crucial to weigh yourself daily and consult with your doctor about any necessary adjustments to your medication. Significant weight changes could indicate fluid imbalance.
5. Eat Healthy: The American Heart Association and the US Department of Health and Human Services suggest eating heart-healthy foods to manage blood pressure and cholesterol. A heart-healthy diet is rich in produce, lean proteins, fiber-rich complex carbs, and healthy fats. On the other hand, limit your intake of trans fats, saturated fats, processed meats, excess salt, excess sugar, refined carbohydrates, red meat, and excess alcohol. Keep these in mind when planning your meals.
By following these recommendations, you can help protect your heart from the risks posed by summer heat. Staying informed and prepared is key to maintaining your health during extreme temperatures.