First Aid Knowledge

Blood total 6 litre,
Serious Bleeding 2 litre,

Pulse average 72/min,
aged  50-60,
adult 60-80,
child 120,

Heart 72/min,
Breathe
adult 16-18/min,child 20-30/min

First-Aid steps, RICE rules,
Rest
Ice
Compression
Elevation

formula for pulse vs heart
heart loading = (220 - age - pulse) x70% + pulse
e.g. pulse is 55 per minute, age is 30
heart beat rate = (220 - 30 - 55) x 0.7 + 55 = 150