In physiology, relating to the ability of cardiac cells to respond to electrical stimulation; affecting the excitability of heart tissue.
From Greek 'bathmos' (step/threshold) plus 'tropos' (turning toward). This is a specialized medical term combining the concepts of threshold and direction of response.
When doctors talk about bathmotropic effects, they're discussing whether a drug makes heart cells more or less 'jumpy'—like adjusting how sensitive a smoke detector is to trigger an alarm.
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