There are 30 chest compressions between ventilation's for 1-rescuer CPR.
For every 30 compressions, you give 2 rescue breaths.
30:2
30:2
15:2
For 1-person CPR the compression-ventilation ratio for children (and adults and infants) are 30 compressions to 2 breaths.
how does asthma effect pulmonary ventilation
the same as for 1 person CPR 30:2 (Compression:Breaths)
30 compression to 2 breaths
Rescue breathing for Adults is only used in professional rescuer CPR. It is 1 breath every 5 seconds.
30 compressions 2 breaths. Per 2010 AHA guidelines. Compression only CPR can be performed if no barrier device is present.
30:2