extrasystole
(noun) a premature systole resulting in a momentary cardiac arrhythmia
Source: WordNet® 3.1
extrasystole (plural extrasystoles)
(medicine) A premature contraction of the heart, producing an interruption or irregularity in heartbeat rhythm, associated with heart disease or the use of some pharmaceuticals.
• premature ventricular contraction (PVC)
• ventricular premature beat (VPB)
Source: Wiktionary
23 November 2024
(adjective) concerned primarily with theories or hypotheses rather than practical considerations; “theoretical science”
The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.
