In some cases a very rapid heart rate or a very slow heart rate can cause a loss of consciousness because in either case the heart is unable to deliver enough blood flow to the brain.
At the age of 45 years, Mark needed a pacemaker to prevent him from collapsing. The pacemaker implanted by Howard Marshall has saved his life and Mark now enjoys an active lifestyle and is back to normal. Mark feels that the support he received from the British Heart Foundation helped him through the difficult years. » Read More