Some common ones are sweaty palms, shortness of breath, lightheadedness, and trembling.

一些常见的症状是手掌出汗、呼吸急促、头晕和颤抖。

In fact, studies do show that HIIT can cause more episodes of nausea, vomiting, and lightheadedness.

实际上，研究表明，HIIT 确实可以引起恶心，呕吐，头晕这样的不良反应。

It may lead to a fast heart rate, dizziness or lightheadedness, or even a panic attack.

它可能导致心率加快、头晕或头晕，甚至惊恐发作。

Most people with this type don't have symptoms, but occasionally patients feel lightheadedness, dizziness, and syncope.

大多数这一型的患者不出现症状，但有时患者可出现头昏、眩晕和晕厥。

The virus can also cause neurological problems such as headaches, lightheadedness, seizures and even a loss of taste or smell.

这种病毒还会引起神经系统问题，如头痛、头晕、癫痫甚至味觉或嗅觉丧失。

The changes to blood flow cause lightheadedness and numbness in the hands and feet.

血流的变化会导致头晕目眩和手脚麻木。

Now, most people with premature ventricular contractions don't notice them, but if they keep occurring they can cause lightheadedness because of less blood getting delivered to the brain.

好，大部分有室性期前收缩的人不会注意到它们，但是如果他们持续发生，会导致头晕，因为被输送到脑部的血液变少。

Larger pericardial effusions, those over 100ml of fluid, can cause diminished heart sounds, and can even diminish cardiac output leading to shortness of breath, low blood pressure, and lightheadedness.

超过100毫升的大量心包积液可使心音减弱，甚至会降低心输出量，导致呼吸困难、低血压与头晕。

For symptoms, most people with premature atrial contractions don't actually notice them, but if they keep occurring they can cause lightheadedness due to less blood being delivered to the brain and they might also feel palpitations.

对于症状，大部分存在房性期前收缩的人并不能注意到它们，但是如果它们持续发生，会导致更少的血液被输送到大脑，产生眩晕感，也可能会感到心悸。