NSG3305 Lecture Notes - Lecture 5: Ileus, Bowel Obstruction, Upper Gastrointestinal Series
2 Apr 2018
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Fluid and electrolytes: homeostasis: state of equilibrium in the internal environment of the body, naturally maintained by adaptive responses that promote healthy survival, body fluid compartments, intracellular, approx. 2/3 of body water is located within cells (intracellular fluid icf: cations: potassium, magnesium, sodium, anions: phosphate, some proteins, bicarb. Icf is approx 42% of body weight: extracellular, consists of fluid spaces between cells (interstitial fluid and lymph) and the plasma space, approx. Fluid and electrolyte imbalances: common in most patients with major illness or injury, directly cause by illness or disease, result of therapeutic measures. Iv therapy not indicated: therapies: diuretics and fluid/sodium restrictions. Fluid imbalance: clinical signs and symptoms: change in bo, edema pulmonary, cerebral, peripheral, orthostatic hypotension, changes in sodium lab findings, daily weight changes! Sodium: hypernatremia (water deficit) >145mmol/l, hyponatremia (water excess) <135 mmol/l, signs and symptoms, hypernatremia: intense third, impaired loc, lethargy, agitation, seizures, coma, hyponatremia: confusion, nausea/vomiting, seizures, coma, treatments, hypernatremia:
