Helpful guidelines. 1  A 1 mmHg change in PaCO2 above or below 40 mmHg results in 0.008 unit change in pH in the opposite direction. 2  The PaCO2 will decrease by about 1 mmHg for every 1 mEq/L reduction in [HCO3â] below 24 mEq/L. 3  A change in [HCO3â] of 10 mEq/L will result in a change in pH of approximately 0.15 pH units in the same direction.
Michelle Carter, 18, has been charged with involuntary manslaughter in the death of Conrad Roy III, who died of carbon monoxide poisoning in his idling truck in Fairhaven, Massachusetts, last July.
Carter is scheduled to appear in court on Nov. 30 for a pretrial hearing. Michelle Carter, now 18, faces a charge of involuntary manslaughter for allegedly pressuring her boyfriend, Conrad Roy III, to commit suicide on July 13, 2014. (Peter Pereira/The New Bedford Standard Times via AP)