Looking after your heart in a heatwave

Drink regularly throughout the day, even if you do not feel thirsty. If you have heart failure or have been advised to restrict fluids, speak to your healthcare professional about how to stay hydrated safely.

Try to avoid being outside during the hottest part of the day (usually between 11 am and 3 pm). If you exercise, choose cooler times such as early morning or evening and avoid strenuous activity during extreme heat.

To keep your home cool:

• close curtains or blinds during the day;
• open windows when temperatures drop in the evening;
• turn off lights and electrical equipment you do not need.

Wear light, loose-fitting clothing and protect yourself from the sun with a hat and sunscreen. If you start to feel too warm, cool down with a cold shower, cool bath, damp towel or by soaking your feet in cold water.

Heat-related illness can become serious quickly. If you start to feel unwell in the heat:

• move to a cooler place;
• drink water if you are able to;
• rest with your feet slightly raised if you feel dizzy;
• cool your skin using a cold shower, fan or cool packs.

Signs that you may be affected by heat include dizziness, fainting, confusion, nausea, vomiting, muscle cramps, fast or shallow breathing, cold clammy skin or swelling in the ankles.

If you or someone else has symptoms of heat stroke, including severe confusion, fainting or becoming seriously unwell, contact emergency services immediately.

Heatwaves can be particularly challenging for older people and those living with long-term health conditions. A quick phone call or visit can help make sure family members, friends and neighbours are staying cool and well during hot weather.