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Object
Object

Time Lord Pulse Check

The Doctor's fingers press firmly against the impostor's wrist, searching for the telltale double pulse of a Time Lord's dual cardiac rhythm. His scrutinizing gaze locks onto the contact point as the equipment registers the unnatural signature, forcing the Rani’s artificial calm to fracture. The rudimentary but precise gesture exposes her deception instantly, reducing her to defensive silence as the true threat of her plasma extraction plan becomes undeniable.
2 appearances

Appearances in the Narrative

When this object appears and how it's used

2 moments
S24E2 · Time and the Rani Part 2
Doctor exposes Rani with pulse check

The Time Lord Pulse Check serves as the critical diagnostic tool in this event, shifting from metaphorical accusation to tangible proof through the Doctor’s actions. He uses it to physically assert his discovery, forcing the impostor to reveal her true identity by detecting the double pulse. The act exposes the Rani’s deception instantly, turning the biological anomaly into a weapon against her.

Before: Intact but unspecified; it exists as a concept in the Doctor’s mind before being applied.
After: After the pulse check, it becomes a proven fact—a tangible confirmation of the impostor’s true nature, wielded by the Doctor as definitive evidence.
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S24E2 · Time and the Rani Part 2
Doctor unmasks Rani’s deception in lab

The Time Lord Pulse Check becomes the critical instrument of truth, as the Doctor uses his fingers to physically examine Mel’s wrist for the double pulse of a Time Lord’s dual cardiac rhythm. This ritualistic but precise test exposes the Rani’s disguise, revealing the artificial nature of Mel’s persona and confirming her identity as an impostor.

Before: Intact and available on the Doctor’s person, unused but implied to be a known diagnostic tool
After: Successfully employed, proving instrumental in unmasking the Rani, no change in physical state
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