蹻脈空虛証(syndrome/pattern of heel vessel weakness),中醫証候名,屬奇經証類,因稟賦不足,或氣血不足,蹻脈失養,或久病損傷蹻脈所致。臨床以腿脛肌肉削弱,行步不正,腰背痛,眼瞼下垂或開合失司,多眠或失眠,癲癇,舌質淡,舌苔白,脈虛等為特徵的証候。[1]