As summer approaches and temperatures soar across the country, health experts are raising alarm about the increased risk of heart-related emergencies during heatwaves. Extreme heat can put immense strain on the cardiovascular system, potentially triggering heart attacks, strokes, and other serious conditions, especially in vulnerable populations.
How Heat Affects the Heart
When the body gets too hot, it tries to cool down by diverting more blood to the skin. This process forces the heart to work harder and pump faster, increasing blood pressure and heart rate. For individuals with pre-existing heart conditions, this added strain can be dangerous. Dehydration, common in hot weather, further thickens the blood, raising the risk of clots.
Who Is at Risk?
While anyone can suffer from heat-related heart issues, certain groups are more vulnerable:
- Elderly individuals with weaker cardiovascular systems
- People with chronic conditions like hypertension, diabetes, or heart disease
- Outdoor workers and athletes exposed to prolonged heat
- Children whose bodies are less efficient at regulating temperature
Warning Signs to Watch For
Experts advise being alert to symptoms such as chest pain, shortness of breath, dizziness, nausea, and excessive sweating. These could signal a heart attack or heat stroke requiring immediate medical attention.
Prevention Tips
To protect your heart during a heatwave, follow these guidelines:
- Stay hydrated by drinking plenty of water, avoiding caffeine and alcohol.
- Avoid peak sun hours (10 a.m. to 4 p.m.) and seek shade or air-conditioned spaces.
- Wear light, loose clothing and use hats or umbrellas when outdoors.
- Take cool showers or baths to lower body temperature.
- Monitor your health and check on elderly neighbors or family members.
Dr. Ramesh Kumar, a cardiologist at AIIMS, emphasizes, 'Heatwaves are not just uncomfortable; they can be deadly for the heart. People with known heart issues should take extra precautions and never ignore symptoms.'
As climate change leads to more frequent and intense heatwaves, understanding these risks becomes crucial. By staying informed and prepared, you can enjoy the summer safely while protecting your heart.



