Thanks to Alex for some high quality training on the CPR and the use of defibillators.
He commenced by explaining the difference between a heart attack (plumbing) and cardiac arrest (electrics!) In the case of cardiac arrest the electrical signals to the heart are often in a state of fibrillation (irregular fluttering). The patient will be unconscious and the first 3-5 minutes are pivotal. CPR keeps oxygen circulating until a defibrillator can be used to stop thje fibrillation and allow the heart to restart with a proper rhythm. D - R - S - A - B - C- D
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