白癜风初期症状 http://m.39.net/pf/a_7696544.html
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基本外科:电解质(医学英语)
脱水:脱水与电解质失衡(医学英语)
脱水:病理生理学、实验室检测和数值-等渗性脱水(医学英语)
脱水:病理生理学、实验室检测和数值-高渗性脱水(医学英语)
脱水:病理生理学、实验室检测和数值-低渗性脱水(医学英语)
钠,低钠血症(医学英语)
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视频
Potassiumisthemainintracellularion;sodium,themainextracellularion.Thenormalpotassiumconcentrationinserumis4.5mmol/liter.Smallchangesinserumreflectlargeintracellularchangesthatmaycausesignificantmorbidityandmortality.Thedailyaverageintakeofpotassiumis50tommol/day.Thekidneyscontrolthedailyexcretion,whichrangeswidelyfrom20tommol.Therenin-angiotensin-aldosteronehormoneaxisisthekeyregulatorofpotassiumclearance.Asaldosteroneincreasesinplasma,sodoespotassiumexcretion.
Theprimaryfunctionsofpotassiuminthebodyincluderegulatingfluidbalanceandcontrollingtheelectricalactivityoftheheartandothermuscles.
Hypokalemia
Patientswithhypokalemiahavea[K+]lowerthan3.5mmol/liter.Hypokalemiais
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