Despite affecting more than one million people in the UK, heart failure is an incredibly unpredictable illness.
The condition happens when the heart is no longer able to pump blood around the body, which means you're not getting enough oxygen. This usually occurs when the heart has become weak or stiff - but doesn't mean your heart has 'stopped working,' like many often believe.
It can be caused by a heart attack or disease called cardiomyopahthy, but high blood pressure will also put you at a greater risk. Leading charity British Heart Foundation says around 80 per cent of heart failure diagnoses in England are made in hospital - but almost half (40 per cent) of patients have symptoms that 'should have triggered an earlier assessment'.
One particular warning sign of the condition will be less noticeable in the morning - but you may notice its presence as the day goes on. Surprisingly, you may notice it in your feet.
According to the NHS, one of the most common symptoms of heart failure is swollen ankles and legs caused by a 'build-up of fluid' (medically referred to as oedema). "It may be better in the morning and get worse later in the day," the organisation added.
Surprising symptom that 40% of women suffer weeks before a heart attack
If one or both of your ankles, feet, or legs are swollen and doesn't improve after a few days or gets worse - you should contact your GP. Of course, oedema isn't just a sign of heart disease, and could be a milder problem such as a sprain or insect bite. It could also be a warning sign of a blood clot or infection though, so it's important to monitor the issue and seek medical attention if it persists.
Oedema can be caused by standing or sitting in the same position for too long, being overweight or pregnant, and taking certain medications such as steroids or antidepressants. The NHS therefore recommends people try 'gentle exercises' and elevate the swollen area when possible before seeing a doctor.
The warning signs of heart failure can vary from person to person and may start suddenly or 'develop gradually' over weeks or even months. Other red flags to watch out for include:
- Breathlessness. This may occur after activity or whilst you're resting. It will probably be worse whilst lying down.
- Fatigue
- Feeling light headed
- Fainting
Less common symptoms such as depression, anxiety, wheezing, and loss of appetite may also be experienced. Again, if you're experiencing worsening or persistent symptoms - contact your GP.
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