delta rhythm

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delta rhythm

[′del·tə ‚rith·əm]
(physiology)
An electric current generated in slow waves with frequencies of 0.5-3 per second from the forward portion of the brain of normal subjects when asleep.
References in periodicals archive ?
If the delta wave in lead V1 was positive (after having excluded patients with a left free-wall accessory pathway in Step 1), a right free-wall accessory AV pathway is identified.
470 sec (women) Brugada syndrome Partial or complete RBBB, and ST segment elevation in right precordial leads V1-V3 Wolff-Parkinson- Delta wave, widened QRS, short White syndrome PR interval, ST segment and T-wave changes Hypertrophic No definitive finding; may have cardiomyopathy left ventricular hypertrophy or abnormal Q-waves EKG, electrocardiogram; RBBB, right bundle branch block.
The USACE chose to partner with Delta Wave Communications because, together with Vizada, the providers offer a unique combination of both Inmarsat and Iridium services bundled with proven Vizada Solutions.
Stages 2 and 3 are deeper sleep, and associated with delta waves on the EEG.
A wide QRS and prominent delta wave are characteristic of antidromic tachycardia.
Considering variations, EBB was defined as low-amplitude bursts of rhythmic sharp beta waves of 20-30 Hz that were superimposed on low or moderate-amplitude delta waves of 1-4 Hz or theta waves of 4-7 Hz that could be rhythmic.
Delta waves from 0-4Hz represent sleep, Theta waves between 4-8Hz represent drowsiness, Alpha 8-12Hz has a relaxed focus.
For example, "Our sleep titles help drop you into the deep delta waves.
Transported into delta waves by music like this, a listener gets the distinct impression that the composer and musicians are, in fact, intentional and instrumental hypnotists.
Theta (5-8 Hz) and delta waves (0-4 Hz) are observed when a person is daydreaming and sleeping respectively.
There's a debate in the medical literature about whether deep sleep - delta waves - consists of one stage or two," explained Toronto psychiatrist Colin Shapiro.