Core Points - South Korean singer HyunA fainted during a performance at the Water Bomb Music Festival in Macau, with reports suggesting it may be due to vasovagal syncope, a common type of fainting among young people [1][3] - HyunA has previously disclosed her struggles with panic disorder and depression, and she later reassured fans that she is fine and will work on improving her physical fitness [1][6] Summary by Sections Incident Overview - HyunA collapsed on stage during her performance and was carried off by staff [1] - Initial reports indicated her condition might be vasovagal syncope, which is prevalent among young individuals [3] Medical Background - Vasovagal syncope is the most common type of fainting, accounting for over 85% of fainting incidents in individuals under 40 [4] - It is characterized by a sudden drop in blood pressure and heart rate, leading to temporary loss of consciousness [4][5] Causes and Triggers - The exact causes of vasovagal syncope remain unclear, but potential triggers include prolonged standing, pain, emotional stress, and physical exertion [5] - Studies indicate a correlation between recent weight loss and the occurrence of vasovagal syncope, with 11.9% of patients reporting significant weight loss prior to their episodes [6] Psychological Factors - HyunA's panic disorder may be linked to her fainting episodes, as studies show a higher incidence of psychological distress among those with vasovagal syncope [6] - The relationship between anxiety, depression, and vasovagal syncope is still being researched [6] Treatment and Prevention - Non-drug treatments focus on avoiding triggers and improving physical conditioning, such as tilt training to enhance standing endurance [10][11] - If fainting episodes are frequent or unpredictable, further medical intervention may be necessary, including medication or the use of a pacemaker [13]