Heart rate
A heart rate was the measurement of heartbeats.
Heart rates, measured in BPM, were detected by the Twelfth Doctor's sonic sunglasses. (TV: Extremis [+]Loading...["Extremis (TV story)"])
Humans
Secretary General of the UN, who held this position in 2017, had a resting heart rate of 68 BPM, Don Brabbit had a resting heart rate of 69 BPM, Ilya Svyatoslavovich had a resting heart rate of 72 BPM, the Commander of UN soldiers had a resting heart rate of 75 BPM, Xiaolian had a resting heart rate of 76 BPM, Bill Potts had a resting heart rate of 79 BPM. (TV: The Pyramid at the End of the World [+]Loading...["The Pyramid at the End of the World (TV story)"])
Shadow World
In the Shadow World, when a human experienced fear, their heart rate rised. For example, Piero had a heart rate of between 129 and 133 BPM. Upon human's death heart rate dropped to 0 BPM, such happened to Piero after he committed suicide and to the body of the US President.
Angelo had a a resting heart rate of 71 BPM. Other members of the Pope's entourage had their resting heart rates varied in between 68 BPM and 77 BPM. (TV: Extremis [+]Loading...["Extremis (TV story)"])
Other species
Alexander Martin, a Kanatian, typically had a heart rate of 46 BPM. (PROSE: The House That Jack Built [+]Loading...["The House That Jack Built (novel)"])
Nardole had a resting heart rate of 78 BPM.
The sonic sunglasses could not detect the Monks' heart rate. (TV: The Pyramid at the End of the World [+]Loading...["The Pyramid at the End of the World (TV story)"])
