Editing Hypothermia (section)

===Mild===
Symptoms of mild hypothermia may be vague,<ref name="Care 1999"/> with sympathetic nervous system excitation (shivering, [[hypertension|high blood pressure]], [[tachycardia|fast heart rate]], [[tachypnea|fast respiratory rate]], and [[vasoconstriction|contraction of blood vessels]]). These are all physiological responses to preserve heat.<ref name="McCullough L, Arora S 2004 2325–32">{{cite journal |vauthors=McCullough L, Arora S | title=Diagnosis and treatment of hypothermia | journal=American Family Physician | volume=70 | issue=12 | pages=2325–32 | date=December 2004 | pmid=15617296 }}</ref> [[Diuresis#Cold-induced diuresis|Increased urine production due to cold]], mental confusion, and [[liver disease|liver dysfunction]] may also be present.<ref name="Marx 2010 p.1869">Marx 2010 p.1869</ref> [[Hyperglycemia]] may be present, as [[glucose]] consumption by cells and [[insulin]] secretion both decrease, and tissue sensitivity to insulin may be blunted.<ref name="Altus">{{cite journal |vauthors=Altus P, Hickman JW | title=Accidental hypothermia: hypoglycemia or hyperglycemia | journal=Western Journal of Medicine | volume=134 | issue=5 | pages=455–6 | date=May 1981 | pmid=7257359 | pmc=1272797 }}</ref> [[sympathetic nervous system|Sympathetic]] activation also releases glucose from the liver. In many cases, however, especially in people with [[alcoholism|alcoholic]] intoxication, hypoglycemia appears to be a more common cause.<ref name="Altus" /> Hypoglycemia is also found in many people with hypothermia, as hypothermia may be a result of hypoglycemia.<ref>[http://emedicine.medscape.com/article/770542-overview eMedicine Specialties > Emergency Medicine > Environmental >Hypothermia] {{webarchive|url=https://web.archive.org/web/20160305180502/http://emedicine.medscape.com/article/770542-overview |date=2016-03-05 }} Author: Jamie Alison Edelstein, MD. Coauthors: James Li, MD; Mark A Silverberg, MD; Wyatt Decker, MD. Updated: October 29, 2009</ref>