眩晕。心脏病发作可导致头晕，意识丧失。因此能潜在威胁的心律异常被称为心律失常。

Dizziness. Heart attacks can cause lightheadedness and loss of consciousness. So can potentially dangerous heart rhythm abnormalities known as arrhythmias.

youdao

眩晕。心脏病发作可导致头晕，意识丧失。因此能潜在威胁的心律异常被称为心律失常。

Dizziness. Heart attacks can cause lightheadedness and loss of consciousness. So can potentially dangerous heart rhythm abnormalities known as arrhythmias.

youdao