I donīt want to spoil your day. But itīs overly optimistic to hope that some person without training will do CPR properly only using this sheet. Around here St. Johnīs has good short instructions on cards in the size of credit cards. However those card are only good as a reminder for people with basic training. The are not intended to replace that training.
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If it isnīt broken, it doesnīt have enough features yet.