How is the mouth-to-mouth technique performed during cardiopulmonary resuscitation (CPR)?

Updated: Sep 15, 2020
  • Author: Catharine A Bon, MD; Chief Editor: Kirsten A Bechtel, MD  more...
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Answer

Answer

To perform the mouth-to-mouth technique, the provider does the following:

  • Pinch the patient’s nostrils closed to assist with an airtight seal

  • Put the mouth completely over the patient’s mouth

  • After 30 chest compression, give 2 breaths (the 30:2 cycle of CPR)

  • Give each breath for approximately 1 second with enough force to make the patient’s chest rise

  • Failure to observe chest rise indicates an inadequate mouth seal or airway occlusion

  • After giving the 2 breaths, resume the CPR cycle


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