What's the difference between polydipsia and thirst?

Polydipsia


Definition:

  • (n.) Excessive and constant thirst occasioned by disease.

Example Sentences:

  • (1) If proper nursing strategies are to be developed, it is crucial to carefully assess each patient with polydipsia and plan interventions related to what is known about that patient.
  • (2) A 3 year old girl was admitted to hospital in an emaciated condition and with polydipsia in October 1974.
  • (3) A behavioral observation scale (Virginia Polydipsia Scale; VPS) for monitoring drinking patterns was developed and its reliability tested during 25 hours of tandem ratings among six patients with the syndrome of psychosis, intermittent hyponatremia, and polydipsia (PIPS).
  • (4) These data demonstrate that polydipsia induced by feeding a low-salt diet can develop in the presence of a normal or reduced Posm and precedes the development of a renal concentrating defect.
  • (5) The sodium and potassium salts caused greater polydipsia and polyuria than the calcium or free acid forms.
  • (6) Three cases of compulsive polydipsia previously diagnosed as diabetes insipidus are presented.
  • (7) Pituitary-dependent hyperadrenocorticism was diagnosed in a 14-year-old Arabian mare with chronic weight loss, hirsutism, polyuria, and polydipsia.
  • (8) Involvement of the hypothalamus and pituitary can cause primary polydipsia and disordered regulation of thirst; diabetes insipidus, impaired secretion of anterior pituitary hormones (with clinically apparent hypothyroidism, hypogonadism, hypoadrenalism, or impaired growth), and increases in serum prolactin may also result.
  • (9) A 28-year-old woman had hypothalamic disorders (amenorrhea, obesity, psychiatric abnormalities, polydipsia and fever) and chronic glomerulonephritis.
  • (10) The workup for polyuria and polydipsia, especially in those cases with normal or near normal blood work, can be tedious, time consuming, confusing, and not without significant patient morbidity.
  • (11) This group differs from the classical patient with psychogenic polydipsia, ie, a hospitalized schizophrenic, in that none was institutionalized and there was a high incidence of chronic alcoholism (10), intractable hiccups (7), self-induced vomiting (6), and laboratory evidence for rhabdomyolysis (5).
  • (12) These are often associated with toxaemia of pregnancy and with polyuria and polydipsia.
  • (13) Of five cases of water intoxication associated with polydipsia, one was fatal.
  • (14) Polyuria and polydipsia were recorded in all patients.
  • (15) A woman with triplet gestation had polydipsia and polyuria during pregnancy.
  • (16) These studies appear to rule out osmotic diuresis, accumulation of exogenous vasopressin, persistent primary polydipsia, or delay in the induction of membrane permeability as causes for the concentrating defect.
  • (17) Clinical abnormalities included vomiting, polyuria, polydipsia, and weight loss.
  • (18) The most frequent side-effects were: tremor of bands, polydipsia, polyuria, increase in appetite, dryness of mouth, general muscular weakness and memory reduction.
  • (19) In deer polydipsia and polyuria also commonly occur.
  • (20) The etiologies were diverse and included postoperative status, thiazide diuretics, polydipsia, infection, acute renal failure, chronic alcoholism with emesis, and beer potomania.

Thirst


Definition:

  • (n.) A sensation of dryness in the throat associated with a craving for liquids, produced by deprivation of drink, or by some other cause (as fear, excitement, etc.) which arrests the secretion of the pharyngeal mucous membrane; hence, the condition producing this sensation.
  • (n.) Fig.: A want and eager desire after anything; a craving or longing; -- usually with for, of, or after; as, the thirst for gold.
  • (n.) To feel thirst; to experience a painful or uneasy sensation of the throat or fauces, as for want of drink.
  • (n.) To have a vehement desire.
  • (v. t.) To have a thirst for.

Example Sentences:

  • (1) The possibility that the pressor effects of angiotensin II influence angiotensin-induced thirst was investigated in dogs pretreated with hexamethonium.
  • (2) The results suggest that angiotensin and cholinergic receptors in the brain have a physiological role in thirst.
  • (3) Experiments in which this method has been applied to the measurement of hunger and thirst in doves are outlined, and the results are discussed in terms of their implications for motivation theory in general.
  • (4) The subjects described the thirst sensations as mainly due to a dry unpleasant tasting mouth, which was promptly relieved by drinking.
  • (5) To determine whether centrally released vasopressin influences thirst, observations of osmotic thirst threshold, osmotic load excretion and postloading restitution of plasma osmolality were made in dogs in control experiments and during infusion of AVP antagonists into the third ventricle.
  • (6) The results of these studies, considered as a whole, support the view that McCleary's osmotic postingestional satiety signal acts as an intestinal distention signal rather than by inducing thirst.
  • (7) These findings suggest the following sequence of events: impaired A-II production caused impairment of thirst perception, renal-concentrating capacity, and AVP secretion and contributed to development of hypernatremic dehydration in these elderly patients.
  • (8) We postulated that the high salt content of CF patients' sweat and the consequent absence of body-fluid hyperosmolality during a long episode of sweating might deprive such patients of a thirst stimulus.
  • (9) The fall in plasma osmolality associated with human pregnancy is accounted for entirely by a lowering of the osmotic thresholds for thirst and vasopressin release.
  • (10) To investigate further the stimulus for this effect, its specificity, and association with thirst, six volunteers were deprived of water for 24 h and given a salt load on two separate occasions.
  • (11) Beliefs best differentiating among the three groups were: (1) superiority of taste of their "own" sodas, (2) perceived efficiency to quench thirst, and (3) perceived compatibility with other menu items.
  • (12) In the absence of conflict, there was no difference in the satisfaction of the thirst and the defensive motivation in animals adapted to hypoxia and in controls.
  • (13) A patient developed extreme thirst and polyuria after massive bleeding and prolonged shock due to placenta previa percreta with bladder invasion.
  • (14) The sensation of thirst did not correlate with plasma osmolality and was not always related to plasma AVP concentration.
  • (15) Photograph: Nerissa Sparkman This being Dublin, visitors to Stoneybatter will find no shortage of opportunities to slake their thirst.
  • (16) We describe a case of diabetes insipidus after head injury in which thirst persisted despite treatment with DDAVP and normal plasma osmolality.
  • (17) Basal levels of serum osmolality and thirst were significantly higher in alcoholics compared with controls, yet actively drinking alcoholics at the start of the study had normal vasopressin (AVP) levels, plasma angiotensin II (Ang II), plasma renin activity, plasma aldosterone (Aldo), and plasma catecholamines.
  • (18) Brin and Page remain joint presidents, Brin in charge of technology, Page responsible for product launches, but the rapid growth of recent years has been steered by chief executive Eric Schmidt, 53, who came on board in 2001 as the commercial 'brain', negotiating the founders' evangelism and the shareholders' thirst for profits.
  • (19) Involvement of the hypothalamus and pituitary can cause primary polydipsia and disordered regulation of thirst; diabetes insipidus, impaired secretion of anterior pituitary hormones (with clinically apparent hypothyroidism, hypogonadism, hypoadrenalism, or impaired growth), and increases in serum prolactin may also result.
  • (20) Previous reports demonstrated that hypothalamic stimulation may elicit either eating, drinking, or gnawing and emphasized both the specificity of the neural circuits mediating these behaviors and the similarity to behavior during natural-drive states such as hunger and thirst.

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