{"id":171,"date":"2013-05-29T18:17:20","date_gmt":"2013-05-29T18:17:20","guid":{"rendered":"http:\/\/whnlive.com\/stress\/?page_id=171"},"modified":"2013-05-29T18:40:55","modified_gmt":"2013-05-29T18:40:55","slug":"hypotension","status":"publish","type":"page","link":"https:\/\/whnlive.com\/stress\/cause\/hypotension\/","title":{"rendered":"Hypotension"},"content":{"rendered":"<!--slice begin--><p><a href=\"http:\/\/whnlive.com\/stress\/wp-content\/uploads\/sites\/14\/2013\/05\/13119873_s.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-190 alignright\" alt=\"13119873_s\" src=\"http:\/\/whnlive.com\/stress\/wp-content\/uploads\/sites\/14\/2013\/05\/13119873_s-300x200.jpg\" width=\"180\" height=\"120\" srcset=\"https:\/\/whnlive.com\/stress\/wp-content\/uploads\/sites\/14\/2013\/05\/13119873_s-300x200.jpg 300w, https:\/\/whnlive.com\/stress\/wp-content\/uploads\/sites\/14\/2013\/05\/13119873_s.jpg 400w\" sizes=\"auto, (max-width: 180px) 100vw, 180px\"><\/a>Hypoten\u00adsion&nbsp;or low blood pres\u00adsure is caused by loss of&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Vascular_tone\">vas\u00adcu\u00adlar tone<\/a>&nbsp;\/ ten\u00adsion and usu\u00adal\u00adly results from one or more of the fol\u00adlow\u00ading con\u00addi\u00adtions. &nbsp;See our Hypoten\u00adsion Mod\u00adel Cause for more Infor\u00adma\u00adtion<\/p>\n<ul>\n<li>Insuf\u00adfi\u00adcient&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Oxygen\">oxy\u00adgen<\/a>&nbsp;to arte\u00adr\u00adi\u00adal smooth mus\u00adcle to main\u00adtain tone<\/li>\n<li>Dys\u00adfunc\u00adtion of&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Blood_pressure#Regulation\">brain area that con\u00adtrols Blood Pres\u00adsure<\/a><\/li>\n<li>Inhi\u00adbi\u00adtion of&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Vagus_nerve\">vagus nerve<\/a><\/li>\n<li>Tox\u00adic&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Larynx\">Shock<\/a>&nbsp;where one or more tox\u00adins dis\u00adrupt tis\u00adsue oxy\u00adgen deliv\u00adery<\/li>\n<li>Trau\u00admat\u00adic&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Larynx\">Shock<\/a>&nbsp;where one or more events dis\u00adable metab\u00ado\u00adlism<\/li>\n<li>Acute dehy\u00addra\u00adtion which results in blood vol\u00adume loss or excess salts which pre\u00advent oxy\u00adgen sol\u00adu\u00adbil\u00adi\u00adty and oxy\u00adgen deliv\u00adery<\/li>\n<li>Severe blood loss<\/li>\n<\/ul>\n<p>The body uses two mechan\u00adi\u00adcal process\u00ades to con\u00adtrol blood pres\u00adsure:<\/p>\n<ul>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Pulse\">Heart Rate<\/a>&nbsp;and Force to force blood to move blood;<\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Vascular_tone\">Vas\u00adcu\u00adlar tone<\/a>&nbsp;to direct blood where need\u00aded through vas\u00adcu\u00adlar sys\u00adtem.<\/li>\n<\/ul>\n<p><a href=\"http:\/\/en.wikipedia.org\/wiki\/Hypotension\">Hypoten\u00adsion<\/a>&nbsp;from a weak heart is rare because usu\u00adal\u00adly diag\u00adnosed as&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Heart_disease\">heart dis\u00adease<\/a>. Low blood pres\u00adsure usu\u00adal\u00adly results from fail\u00adure in vas\u00adcu\u00adlar tone main\u00adte\u00adnance.<\/p>\n<p><a href=\"http:\/\/whnlive.com\/stress\/wp-content\/uploads\/sites\/14\/2013\/05\/16634643_s.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-192 alignright\" alt=\"16634643_s\" src=\"http:\/\/whnlive.com\/stress\/wp-content\/uploads\/sites\/14\/2013\/05\/16634643_s-300x249.jpg\" width=\"180\" height=\"149\" srcset=\"https:\/\/whnlive.com\/stress\/wp-content\/uploads\/sites\/14\/2013\/05\/16634643_s-300x249.jpg 300w, https:\/\/whnlive.com\/stress\/wp-content\/uploads\/sites\/14\/2013\/05\/16634643_s.jpg 400w\" sizes=\"auto, (max-width: 180px) 100vw, 180px\"><\/a>Defi\u00adcient oxy\u00adgen deliv\u00adery to parts of the brain can occur with\u00adout clin\u00adi\u00adcal \u201chypoten\u00adsion\u201d.<\/p>\n<h2>Stress and Flow<\/h2>\n<p>Arte\u00adr\u00adi\u00adal smooth mus\u00adcle ten\u00adsion lim\u00adits blood flow, and pre\u00adserves pres\u00adsure. Squeez\u00ading arter\u00adies directs blood where need\u00aded by restrict\u00ading flow to areas where it is not need\u00aded.<\/p>\n<p align=\"left\">Weak arte\u00adr\u00adi\u00adal tone inhibits the body\u2019s abil\u00adi\u00adty to reg\u00adu\u00adlate blood flow. Like\u00adwise, sys\u00adtemic&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Hypoxia_%28medical%29\">hypox\u00adia<\/a>, that trig\u00adgers an entire-body&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Vasodilation\">vasodila\u00adtor<\/a>&nbsp;reflex, can also result in hypoten\u00adsion.<\/p>\n<p align=\"left\">Break\u00addown in the vas\u00adcu\u00adlar tone is the dom\u00adi\u00adnant under\u00adly\u00ading cause of low blood pres\u00adsure. Loss of vas\u00adcu\u00adlar tone caus\u00ades lim\u00adits blood and oxy\u00adgen deliv\u00adery to high demand areas in the body.<\/p>\n<p>Flow-con\u00adtrol fail\u00adure caus\u00ades poor\u00adly sup\u00adplied tis\u00adsues under-per\u00adform, exhib\u00adit func\u00adtion\u00adal weak\u00adness pro\u00adduce excess lac\u00adtic acid. This tran\u00adsient under-per\u00adfor\u00admance results in a wide range of syn\u00addromes and symp\u00adtoms rang\u00ading from benign to severe and degen\u00ader\u00ada\u00adtion.<\/p>\n<p>Hypoten\u00adsion is both a cause and an effect of vas\u00adcu\u00adlar tone loss. When tis\u00adsues that con\u00adtrol oxy\u00adgen deliv\u00adery do not get enough oxy\u00adgen. This is&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Positive_feedback\">pos\u00adi\u00adtive feed\u00adback.<\/a><\/p>\n<p>It evi\u00addences a durable and recur\u00adring pat\u00adtern which lim\u00adits stress adap\u00adtive respons\u00ades.<\/p>\n<h1>Physiology Models<\/h1>\n<p>Hypoten\u00adsion is weak\u00adly defined in most med\u00adical lit\u00ader\u00ada\u00adture. It gen\u00ader\u00adal\u00adly reflects the inabil\u00adi\u00adty of the body to reg\u00adu\u00adlate blood flow due to an absence of vas\u00adcu\u00adlar tone.&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Cardiac_insufficiency\">Car\u00addiac insuf\u00adfi\u00adcien\u00adcy<\/a>&nbsp;is out\u00adside this descrip\u00adtion.<\/p>\n<table width=\"540\" border=\"1\">\n<tbody>\n<tr>\n<td colspan=\"2\"><strong>Lack of oxy\u00adgen to Brain Con\u00adtrols<\/strong><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><a href=\"http:\/\/artwork.whnlive.com\/wikipedia\/424px-Brain_human_normal_inferior_view_with_labels_en.svg.png\"><img loading=\"lazy\" decoding=\"async\" alt=\"Brain Image\" src=\"http:\/\/artwork.whnlive.com\/wikipedia\/424px-Brain_human_normal_inferior_view_with_labels_en.svg.png\" width=\"107\" height=\"127\"><\/a>Dam\u00adage or trau\u00adma to the back of the head can estab\u00adlish con\u00addi\u00adtions which inhib\u00adit sig\u00adnal gen\u00ader\u00ada\u00adtion that pre\u00advents prop\u00ader blood flow.Hypoxic trau\u00adma estab\u00adlish\u00ades durable blood flow reduc\u00adtion because of cap\u00adil\u00adlary swelling at the root of the vagus nerve.<a href=\"http:\/\/whnlive.com\/liveo2\/\">See von Ardenne<\/a>.Inhib\u00adit\u00aded blood flow pre\u00advents nor\u00admal reg\u00adu\u00adla\u00adtion of sym\u00adpa\u00adthet\u00adic ner\u00advous sys\u00adtem, includ\u00ading blood pres\u00adsure. Leads to sympathetic\/parasympathetic imbal\u00adances.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" height=\"40\"><strong>Auto\u00adnom\u00adic Ner\u00advous Sys\u00adtem Imbal\u00adance<\/strong><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><img loading=\"lazy\" decoding=\"async\" alt src=\"http:\/\/artwork.whnlive.com\/wikipedia\/410px-Gray839.png\" width=\"89\" height=\"129\">See&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Vasovagal_syncope\">Vaso\u00adva\u00adgal Syn\u00adcope.<\/a>&nbsp;Trau\u00adma or stress that that exceeds the cur\u00adrent adap\u00adtive range of the&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Autonomic_nervous_system\">auto\u00adnom\u00adic ner\u00advous sys\u00adtem<\/a>&nbsp;caus\u00ades an imbal\u00adance where either the&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Sympathetic_nervous_system\">sym\u00adpa\u00adthet\u00adic<\/a>&nbsp;or&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Parasympathetic_nervous_system\">parasym\u00adpa\u00adthet\u00adic<\/a>&nbsp;branch of the auto\u00adnom\u00adic ner\u00advous sys\u00adtem dominates.Sympathetic dom\u00adi\u00adnance pro\u00adduces&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Hypertension\">hyper\u00adten\u00adsion<\/a>, high blood pres\u00adsure, while parasym\u00adpa\u00adthet\u00adic pro\u00adduces&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Hypotension\">hypoten\u00adsion<\/a>, low blood pressure.Chronic stress tends to cre\u00adate a durable and usu\u00adal\u00adly recur\u00adrent pat\u00adtern of sym\u00adpa\u00adthet\u00adic or parasym\u00adpa\u00adthet\u00adic dominance.Episode recur\u00adrence reflects the nor\u00admal\u00adly pro\u00adgres\u00adsive deple\u00adtion meta\u00adbol\u00adic agents which enable balance.Principle agents which sup\u00adport auto\u00adnom\u00adic bal\u00adance:\n<ul>\n<li>All B vit\u00ada\u00admins;<\/li>\n<li>Group 16 ele\u00adments, Oxy\u00adgen, Sul\u00adfur, Sele\u00adni\u00adum<\/li>\n<\/ul>\n<p>Agents which inhib\u00adit auto\u00adnom\u00adic bal\u00adance:<\/p>\n<ul>\n<li>All tox\u00adins which inhib\u00adit tis\u00adsue oxy\u00adgen deliv\u00adery (cause&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Hypoxia_(medical)\">hypox\u00adia<\/a>);<\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Chronic_stress\">Stress<\/a>&nbsp;of any sort which exceeds cur\u00adrent autoreg\u00adu\u00adla\u00adto\u00adry per\u00adfor\u00admance of the&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Hypertension\">ANS<\/a>&nbsp;which cre\u00adate con\u00addi\u00adtions which lock&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Hypotension\">metab\u00ado\u00adlism<\/a>&nbsp;into dys\u00adreg\u00adu\u00adla\u00adtion.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" height=\"35\"><strong>Lack of oxy\u00adgen to artery smooth mus\u00adcles<\/strong><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><img loading=\"lazy\" decoding=\"async\" alt src=\"http:\/\/artwork.whnlive.com\/wikipedia\/350px-Anatomy_artery.png\" width=\"126\" height=\"91\"><br>\nSec\u00adondary&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Hypoxia_(medical)\">hypox\u00adia<\/a>&nbsp;is a med\u00adical\u00adly unrec\u00adog\u00adnized con\u00addi\u00adtion. While&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Circulatory_system\">vas\u00adcu\u00adlar\u00adized<\/a>&nbsp;tis\u00adsue receives oxy\u00adgen from cap\u00adil\u00adlary net\u00adworks, non-vas\u00adcu\u00adlar\u00adized tis\u00adsue is sup\u00adport\u00aded by&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Solubility\">sol\u00adu\u00adbil\u00adi\u00adty<\/a>&nbsp;and&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Diffusion\">dif\u00adfu\u00adsion<\/a>&nbsp;process\u00ades in&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Blood_plasma\">blood plas\u00adma<\/a>.Sec\u00adondary hypox\u00adia occurs when nutri\u00adent and oxy\u00adgen deliv\u00adery from plas\u00adma fails to meet the demands from non-vas\u00adcu\u00adlar\u00adized tis\u00adsue. &nbsp;Smooth mus\u00adcle cells in arter\u00adies are non-vas\u00adcu\u00adlar and receive oxy\u00adgen from plasma.When plas\u00adma oxy\u00adgen con\u00adcen\u00adtra\u00adtion decreas\u00ades below the vas\u00adcu\u00adlar tone thresh\u00adold, the smooth mus\u00adcles can\u00adnot squeeze, result\u00ading in hypoten\u00adsion. &nbsp;Vas\u00adcu\u00adlar dila\u00adtion of a known effect of&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Blood_plasma\">hypox\u00adia<\/a>&nbsp;except in the lungs, which respond with vaso\u00adcon\u00adstric\u00adtion, which fur\u00adther lim\u00adits oxy\u00adgen absorp\u00adtion.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Shock Cas\u00adcade<\/strong><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><img loading=\"lazy\" decoding=\"async\" alt src=\"http:\/\/artwork.whnlive.com\/wikipedia\/500px-Shock-cell2.PNG\" width=\"300\" height=\"187\"><a href=\"http:\/\/en.wikipedia.org\/wiki\/Shock_(circulatory)\">Shock<\/a>&nbsp;is the sequence of events which leads to sys\u00adtemic fail\u00adure. It reflects the process of meta\u00adbol\u00adic break\u00addown result\u00ading from pro\u00adgres\u00adsive hypox\u00adia occur\u00adring when the effects described above exceed dura\u00adbil\u00adi\u00adty.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Hypoxic Degeneration<\/h2>\n<p>Loss of oxy\u00adgen to non-vas\u00adcu\u00adlar\u00adized tis\u00adsue enables degeneration.Degeneration non-vas\u00adcu\u00adlar tis\u00adsue nor\u00admal\u00adly indi\u00adcates durable decrease in sec\u00adondary oxy\u00adgen deliv\u00adery. oxy\u00adgen and like\u00adly nutri\u00adents to the degen\u00ader\u00adate tis\u00adsue.<\/p>\n<p>Degen\u00ader\u00ada\u00adtion of non vas\u00adcu\u00adlar tis\u00adsue at sol\u00adu\u00adble oxy\u00adgen trans\u00adport is degen\u00ader\u00adate to. This is a typ\u00adi\u00adcal cause of many sorts of degen\u00ader\u00ada\u00adtion:<\/p>\n<ul>\n<li>Decreas\u00ading Vision (<a href=\"http:\/\/en.wikipedia.org\/wiki\/Eye_lens\">lens of eye<\/a>)<\/li>\n<li>Vas\u00adcu\u00adlar (<a href=\"http:\/\/en.wikipedia.org\/wiki\/Arteriosclerosis\">arte\u00adrioscle\u00adro\u00adsis<\/a>)<\/li>\n<li>Con\u00adnec\u00adtive tis\u00adsue (car\u00adti\u00adlage, lig\u00ada\u00adments &amp; ten\u00addons)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<!--slice end-->","protected":false},"excerpt":{"rendered":"<p>Hypoten\u00adsion&nbsp;or low blood pres\u00adsure is caused by loss of&nbsp;vas\u00adcu\u00adlar tone&nbsp;\/ ten\u00adsion and usu\u00adal\u00adly results from one or more of the fol\u00adlow\u00ading con\u00addi\u00adtions. &nbsp;See our Hypoten\u00adsion Mod\u00adel Cause for more Infor\u00adma\u00adtion Insuf\u00adfi\u00adcient&nbsp;oxy\u00adgen&nbsp;to arte\u00adr\u00adi\u00adal smooth mus\u00adcle to main\u00adtain tone Dys\u00adfunc\u00adtion of&nbsp;brain area that con\u00adtrols Blood Pres\u00adsure Inhi\u00adbi\u00adtion of&nbsp;vagus nerve Tox\u00adic&nbsp;Shock&nbsp;where one or more tox\u00adins dis\u00adrupt tis\u00adsue oxy\u00adgen \u2026 <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/whnlive.com\/stress\/cause\/hypotension\/\">Con\u00adtin\u00adue read\u00ading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":9,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"wp_typography_post_enhancements_disabled":false,"footnotes":""},"class_list":["post-171","page","type-page","status-publish","hentry","nodate","item-wrap"],"_links":{"self":[{"href":"https:\/\/whnlive.com\/stress\/wp-json\/wp\/v2\/pages\/171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/whnlive.com\/stress\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/whnlive.com\/stress\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/whnlive.com\/stress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/whnlive.com\/stress\/wp-json\/wp\/v2\/comments?post=171"}],"version-history":[{"count":0,"href":"https:\/\/whnlive.com\/stress\/wp-json\/wp\/v2\/pages\/171\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/whnlive.com\/stress\/wp-json\/wp\/v2\/pages\/9"}],"wp:attachment":[{"href":"https:\/\/whnlive.com\/stress\/wp-json\/wp\/v2\/media?parent=171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}