premonitory sign

References in classic literature ?
Aunt Eleanor showed premonitory signs of pronouncing an opinion.
Syncope as a premonitory sign of fatal pulmonary embolism.
Douglous and Reidman found that protienuria was the only premonitory sign in 10% of cases and one third of women had only mild hypertension before the onset of convulsions4,16.
The emetic episode of patient 2 during her first treatment could have been a premonitory sign of central nervous system (CNS) oxygen toxicity, since she was slightly febrile, which is known to be a predisposing factor to CNS oxygen toxicity.
Premonitory signs were equally common among migraineurs with or without aura and were more common in females (41%) than in males (32%).
Sudden deaths in absence of premonitory signs, pyrexia (104-106F), anorexia, depression, respiratory distress while at rest, dyspnoea, slight frothing at mouth, occulonasal discharges etc.
Several studies have tried to identify the premonitory signs and symptoms of fatal LVFWR (Figueras et al 1997; Raitt et al 1993).
Toffler (1970) forewarned about the danger of this kind of overload when the first premonitory signs became perceptible.
In 2007, a 14-year-old male killer whale at a marine park in San Antonio, Texas, USA, died suddenly without notable premonitory signs.
Two adult male crimson rosellas (Platycercus elegans) and an adult female eastern rosella (Platycercus eximius) were found dead in their cages in a private aviary in March 2009, April 2010, and February 2010, respectively, without premonitory signs.
Before going into battle, he seeks to find out what destiny has in store for him through the interpretation of dreams and through divination: Dyab the Hilalian scours the natural environment for the least premonitory signs -- the flight of birds, the direction of the jackal, and especially the lines drawn in the sand (khatt al-rmal), for geomancy is a common practice.