escape impulse

es·cape im·pulse

one or more impulses (atrial, junctional, or ventricular) arising as a result of delay in the formation or arrival of impulses from the prevailing pacemaker.
References in periodicals archive ?
Many give in to the escape impulse. Western Cape metropolitan population growth rate millions 1970 1 1985 1.6 1991 2.3 1995 2.8 2015 3.4-4.3 (Source: Cape Argus) Western Cape economic profile Western Cape National Average Unemployment rate 22.0% 33.0% Personal annual income per capita R14,000 R2,200 Economic growth rate 3.2% 2.0% Contribution to taxation 15.7% (Source: Cape Argus)