An additional blow is an isolated, irregular heart beat that occurs soon after a normal heartbeat. It often is followed by a pause between heart forecasts, there is little longer than usual. This may occur as the heartfinds a kolbøtteormiss a stroke over. Most will see extra stroke at a time in life, but it is especially frequent among younger people.
There is a link between the extra stroke and intake of nicotine, alcohol and caffeine, and limiting the intake of these substances can reduce the tendency for extra strokes. In the vast majority of cases are extra layers completely harmless, and there is rarely a need to investigate further or begin treatment.