Heat plays a significant role in maintaining our body temperature and keeping us active, but excessive heat can have a negative impact on our health, especially our heart.
Several studies have shown that there is a connection between heat and cardiovascular diseases such as myocardial infarction or heart attack, and this risk is particularly high for older adults, people with pre-existing health conditions, and those who work outdoors.
What is Myocardial Infarction?
Myocardial infarction, commonly known as a heart attack, is a medical condition that occurs when blood flow to the heart muscle is blocked, causing damage or death to the heart tissue.
It is one of the leading causes of death worldwide, and cardiovascular diseases account for more than 17 million deaths each year.
How Does Heat Affect the Heart?
Heat can have a direct impact on the heart by increasing heart rate and blood pressure.
When the temperature rises, our body tries to cool down by increasing blood flow to the skin, which results in a decrease in blood flow to the vital organs such as the heart. This lack of blood flow can cause the heart to work harder, leading to an increased risk of a heart attack.
Moreover, heat can also lead to dehydration, which can increase the viscosity of the blood and make it harder for the heart to pump blood throughout the body.
Dehydration can also cause electrolyte imbalances, which can affect the normal functioning of the heart.
Who is at a Higher Risk?
Older adults, people with pre-existing health conditions, and those who work or exercise outdoors are at a higher risk of heat-related illnesses such as heat exhaustion and heat stroke, which can lead to a heart attack.
People with a history of cardiovascular diseases, hypertension, diabetes, and obesity are also at a higher risk.
How to Protect Yourself?
To protect yourself from the negative effects of heat on your heart, you should take the following precautions:.
- Avoid outdoor activities during the hottest hours of the day.
- Stay in air-conditioned buildings or use fans to cool down.
- Drink plenty of water and avoid sugary and alcoholic drinks.
- Wear loose-fitting, light-colored clothing that allows your skin to breathe.
- Take frequent breaks in the shade and avoid prolonged exposure to the sun.
- If you feel lightheaded, dizzy, or experience chest pain, seek medical attention immediately.
Conclusion
Heat can have a negative impact on your heart health, and it is essential to take precautionary measures to protect yourself, especially during the hot summer months.
By staying hydrated, avoiding prolonged exposure to the sun, and taking frequent breaks in the shade, you can reduce your risk of a heart attack. If you experience any symptoms of a heart attack, seek medical attention immediately, as it can save your life.