bathotropy
Pronunciation: bath-AH-tro-pee
The property affecting cardiac excitability; positive bathotropy increases excitability while negative bathotropy reduces it.
Full Definition
The cardiac property that influences the excitability threshold of myocardial cells, determining how easily cardiac tissue can be stimulated to depolarize. Positive bathotropic effects lower the excitation threshold, making the myocardium more responsive to stimulation and potentially more prone to arrhythmias. Negative bathotropic effects raise the threshold, making the tissue less excitable and potentially providing antiarrhythmic benefits. This property is less commonly discussed than other cardiac effects but is relevant in understanding drug actions and arrhythmia mechanisms in cardiac anesthesia.
Usage
Usage note: Rarely used in clinical practice; primarily of theoretical and research interest.
In Context
- "The drug's positive bathotropy increased the risk of ventricular arrhythmias during reperfusion." — Pharmacology review
- "Negative bathotropy from the antiarrhythmic agent helped stabilize the irritable myocardium." — Drug effect analysis