Most dramas show characters searching for pulse and giving breaths but experts say chest compressions on their own can save lives

Cardiopulmonary resuscitation (CPR) is a dramatic intervention, but researchers say TV portrayals are often misleading – potentially influencing whether viewers feel able to carry it out themselves.

According to the British Heart Foundation (BHF) there are more than 30,000 out-of-hospital cardiac arrests every year in the UK.