صفحه محصول - پاورپوینت بیهوش کننده های عمومی

پاورپوینت بیهوش کننده های عمومی (pptx) 57 اسلاید

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تعداد اسلاید: 57 اسلاید

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بنام خدا بیهوش کننده های عمومی جراحی قبل از بیهوشی تاریخچه Joseph Priestly – discovers N2O in 1773 General anesthesia was absent until the mid-1800’s William Morton administered ether to a patient having a neck tumor removed at the Massachusetts General Hospital, Boston, in October 1846. Chloroform Cyclopropane The discovery of the diethyl ether as general anesthesia was the result of a search for means of eliminating a patient’s pain perception and responses to painful stimuli. (CH3CH2)2O From Greek anaisthesis means ”not sensation 6 بیهوشی عمومی -Hypnosis (unconsciousness) -Amnesia -Analgesia -Immobility/decreased muscle tone (relaxation of skeletal muscle) -Reduction of certain autonomic reflexes (gag reflex, tachycardia, vasoconstriction) انواع بیهوش دهنده ها Volatile anesthetics: Low vapor pressures and thus high boiling points so that they are liquids at room temperature (20 o C) Gaseous anesthetics: High vapor pressures and low boiling points داروهای بیهوشی A drug that brings about a reversible loss of consciousness Generally administered by an anesthesiologist in order to induce or maintain general anesthesia to facilitate surgery. Induction- initial entry to surgical anesthesia Maintenance- continuous monitoring and medication Maintain depth of anesthesia, ventilation, fluid balance, hemodynamic control, hoemostasis Emergence-resumption of normal CNS function Extubation, resumption of normal respiration