Ïàðîêñèçìàëüíûé (paroxysmal), ïðèñòóïîîáðàçíûé, âíåçàïíî îáîñòðèâøèéñÿ.
Ï. òàõèêàðäèÿ (paroxysmal tachycardia), ïîâòîðÿþùèåñÿ ïðèñòóïû ðåçêîãî ïîâûøåíèÿ ×ÑÑ; âèä àðèòìèè.