What is too high a heart rate: at rest, during exercise and in children, and when to call your GP

What counts as too high a resting heart rate, how high it can go during exercise, what is normal for a child and when to call your GP.
What is a heart rate that is too low? When a slow resting heart rate is normal and when to call the doctor

What is a resting heart rate that is too low? What is normal for men and women, why many athletes have a slower heartbeat and which signs mean you should call the doctor.
Is a heart rate of 44 too low? What large studies found about a slow resting heart rate, and when to call your GP

Is a heart rate of 44 too low: what is normal, what large studies found, why trained people have a lower heart rate and which signs mean you should call your GP.
Heartbeat in your ear when lying down: what it can be, how often a cause is found and when to see your GP

Hear your heartbeat in your ear when lying down? What pulsing ear noise can be, what studies find behind it and when to contact your GP.
Which resting heart rate is dangerous: what is normal, the warning signs and what large studies find

Which resting heart rate is dangerous? Normal values, warning signs that mean you call a doctor straight away, and what large studies find about high and low.
Palpitations after eating: how they start, which food and drink play a part and when to call a doctor

Palpitations after eating are usually harmless. Which food and drink are linked to them, the role of the stomach and the signs that mean you should call a doctor straight away.
At what heart rate do you die? What your resting heart rate says about risk, and when to call the doctor

At what heart rate do you die: there is no fixed number. Large studies on the link with a high or low resting heart rate, what is normal and when to call the doctor.
Heart palpitation symptoms: what they mean, what your GP finds and when to call straight away

Heart palpitation symptoms: what they mean, the common causes, how they differ from a heart rhythm disorder and when to call your GP straight away.
Palpitations after alcohol: why they happen, how long they last and when they are dangerous

Palpitations after alcohol: why your heart beats faster, how long it lasts, what studies say about heart rhythm disorders and when to call your GP.
Causes of palpitations: what can be behind them, the warning signs and what the GP usually finds

Palpitations are usually not dangerous. The causes of palpitations, everyday and medical, the warning signs and what tests at the GP find.