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休克全英文讲义

上传者:火锅鸡 |  格式:ppt  |  页数:62 |  大小:217KB

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ter retentionРCOMPENSATORY MECHANISMS: Sympathetic Nervous System (SNS)-Adrenal ResponseРSNS - Hormonal: Antidiuretic Hormone?Osmoreceptors in hypothalamus stimulated?ADH released by Posterior pituitary gland?Vasopressor effect to increase BP?Acts on renal tubules to retain waterРCOMPENSATORY MECHANISMS: Sympathetic Nervous System (SNS)-Adrenal ResponseРSNS - Hormonal: Adrenal Cortex?Anterior pituitary releases adrenocorticotropic hormone (ACTH)?Stimulates adrenal Cx to release glucorticoids?Blood sugar increases to meet increased metabolic needsРFailure pensatory ResponseРDecreased blood flow to the tissues causes cellular hypoxia ?Anaerobic metabolism begins ?Cell swelling, mitochondrial disruption, and eventual cell death ?If Low Perfusion States persists:?РIRREVERSIBLE DEATH IMMINENT!!

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