cardioaccelerator


Also found in: Dictionary.

cardioaccelerator

 [kahr″de-o-ak-sel´er-a″ter]
quickening the heart action; an agent that so acts.

car·di·o·ac·cel·er·a·tor

(kar'dē-ō-ak-sel'er-ā-ter),
Accelerator of the heart beat.

cardioaccelerator

(kär′dē-ō′ăk-sĕl′ə-rā′tər)
n.
An agent, such as a drug, that increases the heart rate.

car′di·o′ac·cel′er·a′tion n.

car·di·o·ac·cel·er·a·tor

(kahr'dē-ō-ak-sel'ĕr-ā-tŏr)
Accelerator of the heart beat.
References in periodicals archive ?
Therefore, the cardioaccelerator nerves must be responsible for this response, whereas the pericardial neurohormone secretions are not.
In adults and adolescents, the more common response to airway manipulation is hypertension (HTN) and tachycardia mediated by the cardioaccelerator nerves and sympathetic chain ganglia including release of renin from the renal juxtaglomerular apparatus, which is innervated by p-adrenergic nerve terminals.
In the heart, the dominant action of 2-AR agonists is a decrease in tachycardia (through blocking cardioaccelerator nerve) and bradycardia via 2A-AR (through a vagomimetic action).