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crystalloid |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.04 sec. |
crystalloid 1. resembling a crystal. 2. a noncolloid substance. Crystalloids form true solutions and therefore are capable of passing through a semipermeable membrane, as in dialysis. The physical opposite of a crystalloid is a colloid (3), which does not dissolve and does not form true solutions. crystalloid particle a matrix particle in a single membrane contained in a peroxisome, when viewed through an electron microscope. Called also nucleoid. crystalloid solution contains electrolytes and nonelectrolytes which will diffuse into all body fluid compartments. Examples are Ringer's solution and 5% dextrose in water. |
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| The use of PRBC transfusion was specifically considered appropriate in patients with acute anemia whose symptoms were related to blood loss and were refractory to crystalloid infusions, as well as in patients with chronic anemia in whom nontransfusion therapies (eg, iron replacement, erythropoietin) had not been effective. The consensus seems to be normal saline or crystalloid solution and therapy should be set to achieve 200mLs urine output per hour (Saad 1997; Cohen et al 1997), although some recommend at least 300mLs/hr until myoglobinuria has ceased (Walls 2002; Meister et al 2002). Survival was assessed with respect to seven covariates: age, gender, injury severity score, mechanism of injury (blunt versus penetrating), systolic blood pressure at randomization, Glasgow Coma Score, and volume of crystalloid received prior to randomization. |
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