What is the major reason for using a treatment to lower body temperature after cardiac arrest to promote better neurological recovery?
a. Hypothermia decreases the metabolic rate by 7% for each decrease of 1° C.
b. Lower body temperatures are beneficial in patients with low blood pressure.
c. Temperatures of 40° C may reduce neurological impairment.
d. The lower body temperature leads to decreased oxygen delivery.
A
Hypothermia decreases the metabolic rate by 6% to 7% for every decrease of 1° C in temperature; decreased metabolic rate may protect neurological function. Induced hypothermia to a core body temperature of 32o C to 34o C for 12 to 24 hours may be beneficial in reducing neurological impairment after cardiac arrest.
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