常见面色苍白、四肢湿冷、出冷汗、头晕、恶心、心跳急速、脉搏细弱、呼吸表浅甚至昏迷不醒等症状，这些症状可能发生在昏厥之前或当中。

The symptom includes pale face, cold moist limbs, cold sweat, dizziness, nausea, rapid heartbeat, weak pulse, shallow breath, unconscious, etc. These symptoms may appear before or during the coma.

youdao

呼吸显得表浅，并且时常中断。

The respiration appears superficial, and is interrupted now and then.

youdao

呼吸显得表浅，并且时常中断。

The respiration appears superficial, and is interrupted now and then.

youdao