Jean-Marc Dugas
PCS Member
For those interested in the Physio-Control history and who would like to have a reference to Physio-Control product timelines, here is the link to the Physio-Control timeline from 1955 to the present.
www.yumpu.com
According to this, assuming that my 54XL was in service for 10 years, 1976 - 1986, era-appropriate pre-hospital Physio-Control equipment would include the Lifepak 5 defibrillator (1976), Lifestat 100 (1983) portable non-invasive BP monitor, and the VSM-3 (1983) Vital sign monitor.

Physio-Control Timeline 1955 – Present
Physio-Control Timeline 1955 – Read more about lifepak, defibrillator, monitor, system, introduced and portable.

According to this, assuming that my 54XL was in service for 10 years, 1976 - 1986, era-appropriate pre-hospital Physio-Control equipment would include the Lifepak 5 defibrillator (1976), Lifestat 100 (1983) portable non-invasive BP monitor, and the VSM-3 (1983) Vital sign monitor.