What does SAD90 stand for?

SAD90 stands for stretch-activated depolarizations near 90% repolarization

This definition appears rarely

Samples in periodicals archive:

Sustained stretch in MI prolonged AP at 90% repolarization giving rise to stretch-activated depolarizations (SAD) near 90%; and 90% repolarization where stretch...

Left ventricular myocardial infarction; giving rise to stretch-activated depolarizations (SAD) near 90%; and 90% repolarization where stretch induced...

Mechano-Electric Feedback in Right Atrium After Left Ventricular Infarction in; stretch-activated depolarizations (SAD) near; 90% repolarization where stretch...