(redirected from Pulseless electrical activity)
Also found in: Dictionary, Thesaurus, Medical, Legal, Acronyms, Encyclopedia, Wikipedia.


1. An act that requires use of resources or time. In Program Evaluation and Review Technique (PERT), an activity is represented by an arrow on a PERT chart.

2. In investing, the amount of a security's relative trading volume; that is, the amount of money flowing into and out of a security in trading. A high amount of activity means that many shares of the security are being bought and sold at a high rate, while a low level of activity indicates the opposite.


The amount of relative trading volume in a security.
References in periodicals archive ?
Later, when the ATP of the myocardial fiber is exhausted, the heart enters into pulseless electrical activity and, later, falls into the rhythm of death and of the worst prognosis: asystole.
Contrary to results from earlier studies, patients with either ventricular fibrillation or pulseless electrical activity did not seem to benefit from the vasopressin.