Nursing 2230A/B Chapter Notes - Chapter 3: Sensory Deprivation, Peripheral Nervous System, Valsalva Maneuver
9 Dec 2016
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The hazards of immobility american journal of nursing. Cardiovascular system is designed to deliver blood to and from the capillaries where the exchange of vital respiratory gases and other metabolic substances occurs. 3 major changes in cardiovascular health have been identi ed as a result from immobility; Deterioration of the ability of the autonomic nervous system to equalize the blood supply when a person who has been recumbent for a long period of time attempts to stand up. When pt rst gets up after a number of days, they may experience dizziness, weakness, or giddiness, may even faint. Young men put to bed for 21 days, the ability of the cardiovascular system to respond to the upright posture was not regained for more than ve weeks after activity was resumed. This is due to two factors: loss of general muscle tone and decrease of ef ciency of the orthostatic neurovascular re exes.
