Regular irregularities occur with constant periodicity and are usually associated with partial heartblock.
规律的不整脉随固定周期出现，而且常伴有心脏部分传导阻滞。
2
An occasional temporary stoppage or extreme slowing of the pulse as a result of heartblock, causing dizziness, fainting, and sometimes convulsions.
斯托克斯·亚当斯病：因心脏传导阻滞而致的脉搏的暂停或极缓慢跳动，能引起头晕、昏厥，有时引起痉挛。
3
Among the potential hypotheticals floated in the BMJ study: "Can my patient with stable angina and a pacemaker for complete heartblock participate in a suborbital Virgin Galactic flight?"