This exercise is another right area of the continual testing, refining, and developing of our plans. ‘The NHS is ready to implement its well-rehearsed strategy.’.. Britain tests human influenza plan The British Government’s response to a human flu pandemic was tested in Exercise Winter Willow on Monday 19th and Tuesday 20th February. The exercise fully tested the UK’s capability to manage the consequences of an influenza pandemic by playing out the decision-making process at national, regional and local levels, when there are widespread cases over the national country.If the center is beating as well fast, its chambers can’t fill with the correct amount of blood. If it’s beating too slowly or irregularly, the correct amount of blood can’t be pumped out to the body. If your body doesn’t get the way to obtain blood it needs to perform smoothly, these symptoms may appear: dizziness fatigue lightheadedness weakness palpitations shortness of breath chest pain fainting Arrhythmias can be constant, but arrive and go at random usually. Sometimes arrhythmias can cause no detectable symptoms at all.