Astanga Hrudaya
मृत्युं स्वस्थस्य षड्रात्रात्त्रिरात्रादातुरस्य तु । जिह्वा श्यावा मुखं पूति सव्यमक्षि निमज्जति ॥ १९ ॥
death within six days in a healthy man and within three days in a sick man. Impending signs of death which are pointers to reject a patient: He, whose tongue becomes blue; mouth becomes foul smelling; left eye goes deep inside;
english translation
mRtyuM svasthasya SaDrAtrAttrirAtrAdAturasya tu । jihvA zyAvA mukhaM pUti savyamakSi nimajjati ॥ 19 ॥
hk transliteration by Sanscript