Astanga Hrudaya
निवर्तते वा सहसा सहसा स विनश्यति । ज्वरो निहन्ति बलवान् गम्भीरो दैर्घरात्रिकः ॥ ७१ ॥
manifest suddenly or disappear suddenly – he dies soon. Jwaragata Rista – fatal signs in fever: Jvara (fever) which is powerful, deep seated (vitiated many tissues and organs), persistent (long standing, chronic), accompanied with delirium, giddiness and dyspnoea;
english translation
nivartate vA sahasA sahasA sa vinazyati । jvaro nihanti balavAn gambhIro dairgharAtrikaH ॥ 71 ॥
hk transliteration by Sanscript