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Our editors will overview what you’ve submitted and determine whether to revise the article. Shock is usually brought on by hemorrhage or overwhelming infection and is characterized typically by a weak, speedy pulse; low blood strain; and chilly, sweaty pores and skin. Depending on the trigger, nevertheless, some or all of these signs may be missing in particular person circumstances. A brief treatment of shock follows. For further dialogue, see cardiovascular disease: Physiological shock. Shock could end result from a wide range of physiological mechanisms, including sudden reductions in the total blood quantity through acute blood losses, as in extreme hemorrhage; sudden reductions in cardiac output, as in myocardial infarction (heart assault); and widespread dilation of the blood vessels, as in some types of infection. Whatever the central physiological mechanism, the impact of shock is to reduce blood move by means of the small vessels, or capillaries, where oxygen and nutrients move into the tissues and wastes are collected for removal.
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發表於 2025-9-23 00:31:06