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border-radius:12px; padding:22px 22px 18px 22px; margin-bottom:18px;\">\n  \u003Cp>社区内科门诊接诊中老年患者时，常常碰到反复头晕不适的情况，很多人第一反应都以为是颈椎出了问题，背后的实际原因往往更为复杂。\u003C/p>\n\u003C/div>\n\n\u003Cdiv class=\"shg-section-card\" style=\"background:#f7f7fb; border-radius:12px; padding:22px 22px 18px 22px; margin-bottom:18px;\">\n  \u003Cp>前几天接诊了一位六旬女性居民，有高血压、高血脂病史，平时很少锻炼。她连续3天间断头晕，伴随轻微胸闷、乏力。一开始她以为是换季着凉、没休息好，歇了两天症状也没缓解。我先排查了心律失常、耳石症发作、体位性低血压这几种常见致晕原因，测了血压、查看外院带来的心电图结果，确认无明显异常，结合她长期血压、血脂偏高的基础病史，判断症状属于脑动脉供血不足引发的眩晕，开具改善脑微循环药、血管扩张药及抗眩晕药品予以干预。目前患者服药3天，头晕发作频率明显下降，仍在后续随访中。\u003C/p>\n\u003C/div>\n\n\u003Cdiv class=\"shg-section-card\" style=\"background:#f8f8fd; border-radius:12px; padding:22px 22px 18px 22px; margin-bottom:18px;\">\n  \u003Cp>脑动脉供血不足在临床上多对应慢性脑缺血状态，并非独立的疾病诊断。这类头晕发作时，很多人会直接判定是颈椎问题，但类似的间断头晕，还可能由耳石症、体位性低血压、前庭神经炎引发，可通过简单特征初步区分：若头晕发作和转头、变换体位直接相关，天旋地转感持续时间很短，大多是耳石症引发；若从坐位站起瞬间突然发黑发晕，数秒内缓解，多是体位性低血压的表现。这位患者的头晕和体位无关联，还伴随胸闷、乏力，结合基础病史，才考虑和脑血管供血状态改变相关。\u003C/p>\n\u003C/div>\n\n\u003Cdiv class=\"shg-section-card\" style=\"background:#f9fafc; 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