那是什么导致了低血糖呢？
据悉，是低血糖导致了凯西此次突然晕倒。[{'character': '据', 'pinyin': 'jv4', 'highest pitch': 9.01, 'lowest pitch': 8.65, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '悉', 'pinyin': 'xi1', 'highest pitch': 9.76, 'lowest pitch': 9.18, 'duration': 0.36, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.12}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 9.8, 'lowest pitch': 8.18, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '低', 'pinyin': 'di1', 'highest pitch': 11.04, 'lowest pitch': 10.23, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '血', 'pinyin': 'xve4', 'highest pitch': 11.3, 'lowest pitch': 7.67, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '糖', 'pinyin': 'tang2', 'highest pitch': 8.11, 'lowest pitch': 5.87, 'duration': 0.35, 'prosody hierarchy': '#2'}, {'character': '导', 'pinyin': 'dao3', 'highest pitch': 7.4, 'lowest pitch': 4.89, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '致', 'pinyin': 'zhiii4', 'highest pitch': 8.09, 'lowest pitch': 4.89, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 8.02, 'lowest pitch': 6.42, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '凯', 'pinyin': 'kai3', 'highest pitch': 13.2, 'lowest pitch': 13.2, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '西', 'pinyin': 'xi1', 'highest pitch': 9.76, 'lowest pitch': 9.18, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '此', 'pinyin': 'cii3', 'highest pitch': 6.4, 'lowest pitch': 3.99, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 7.63, 'lowest pitch': 7.01, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '突', 'pinyin': 'tu1', 'highest pitch': 10.4, 'lowest pitch': 10.22, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '然', 'pinyin': 'ran2', 'highest pitch': 10.22, 'lowest pitch': 7.26, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '晕', 'pinyin': 'vn1', 'highest pitch': 7.93, 'lowest pitch': 7.46, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '倒', 'pinyin': 'dao3', 'highest pitch': 7.4, 'lowest pitch': 3.32, 'duration': 0.27, 'prosody hierarchy': '#4'}]