If your heart arrhythmia persists for more than a few minutes or is accompanied by fainting, shortness of breath, or chest pain, seek emergency medical help immediately.
2
结果表明，男性接尘工人气短和女性接尘工人胸闷的阳性率显著高于对照组。
Workers in the dust-exposed group had higher prevalence of dyspnea and chest tightness than those in the control group.
3
胸闷和气短可进展成慢性支气管炎和肺气肿。
Chest tightness and shortness of breath may progress to chronic bronchitis and emphysema.
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