Sandy J. David, R.N.    Sandy David is a registered nurse for 35 years and a retired high school Health Science teacher for 20 years. I have taught CPR AED and first aid certification classes for 30 years.

Sandy J. David, R.N.

Sandy David is a registered nurse for 35 years and a retired high school Health Science teacher for 20 years. I have taught CPR AED and first aid certification classes for 30 years.