ስቴዝስኮፕ (stethoscope) ከመፈልሰፉ በፊት በ17ኛው ክፍለ-ዘመን አካባቢ ሰዎች የልብ ምታቸው ሲደክም ወይም ኮማ ውስጥ ሲገቡ ሞተዋል በሚል ግምት ይቀበሩ ነበር።
In the 17th century, before the stethoscope was invented, anyone in a coma or with a weak heartbeat was presumed dead, and buried.