Chronotropic

Chronotropic effects (from chrono-, meaning time) are those that change the heart rate.

Chronotropic drugs may change the heart rate by affecting the nerves controlling the heart, or by changing the rhythm produced by the sinoatrial node.

adj. affecting rate of pulse. chronotropism, n.

Negative Chronotropes

 * Digoxin
 * Beta-blockers
 * Diltiazem
 * Verapamil