gazmanic
So 30 compressions to every 2 breaths.
https://www.healthdirect.gov.au/how-to-perform-cpr
https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/cardiopulmonary-resuscitation-cpr
https://www.redcross.org.au/get-involved/learn/first-aid/first-aid-app