A Historical Perspective on Diagnosing Death in Persian Medicine

This paper offers a historical exploration of how death was diagnosed in Persian medicine, highlighting the evolution of diagnostic criteria and the contributions of key scholars. In the post-medieval era, defining death and establishing diagnostic criteria underwent significant development, albeit with ongoing debates. Notably, medieval Persian scholars, such as Qutb al-Din al-Shirazi, played a crucial role in this discourse. Qutb al-Din al-Shirazi, a prominent Persian polymath, synthesized earlier knowledge to provide a comprehensive set of diagnostic criteria for death in traditional Persian medicine. These criteria encompassed physical examinations like assessing nail shininess, feeling pulsatile vessels in specific areas, observing pupillary reactions to light, and even monitoring the movement of a thread near the mouth and nose. His mention of the pupillary light reflex is one of the earliest known references to this phenomenon in medical history. Medieval Persian practices also involved placing a water container on the chest of the individual to detect the absence of chest wall motion associated with respiration as a sign of death. Furthermore, scholars like Ibn-e Sina (Avicenna) stressed the importance of monitoring pulse and respiration as vital signs, especially when administering potentially lethal drugs. In cases of uncertain diagnosis, such as stroke, medieval Persians postponed burials for up to three days. These historical insights provide a fascinating glimpse into the evolving understanding of death in Persian medicine and the intricate methods used for its diagnosis.