reflex tachycardia


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re·flex tach·y·car·di·a

increased heart rate in response to some stimulus conveyed through the cardiac nerves.

reflex tachycardia

Etymology: L, reflectere, to bend back; Gk, tachys, fast, kardia, heart
a rapid heart sinus rhythm caused by a variety of autonomic nervous system effects, such as blood pressure changes, fever, or emotional stress.

re·flex tach·y·car·di·a

(rēfleks taki-kahrdē-ă)
Increased heart rate in response to some stimulus conveyed through the cardiac nerves.

reflex tachycardia

Tachycardia resulting from stimuli outside the heart, reflexly accelerating the heart rate or depressing vagal tone.
See also: tachycardia
References in periodicals archive ?
Clinically, histamine release can cause hypotension secondary to direct vasodilation, reflex tachycardia, and bronchospasm, leading to increased airway resistance.
For example, with opioids respiratory depression and non-availability leads to other alternatives, use of halothane was associated with dysrrhythmias, calcium channel blockers produced reflex tachycardia, direct acting vasodilators needed invasive haemodynamic monitoring and lidocaine did not give consistent results.
Esmolol 10mg/dose up to 50mg was given for reflex tachycardia of more than 100/min persisting for more than 10 minutes in the face of a urine output of more than 1ml/kg/hr.