{"version":"1.0","provider_name":"Best Spine Hospitals","provider_url":"https:\/\/www.bestspinehospitals.com\/blog","author_name":"drspine","author_url":"https:\/\/www.bestspinehospitals.com\/blog\/author\/drspine\/","title":"Sinoatrial Node: Definition, Uses, and Clinical Overview - Best Spine Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"3XwZFI7FV0\"><a href=\"https:\/\/www.bestspinehospitals.com\/blog\/sinoatrial-node-definition-uses-and-clinical-overview\/\">Sinoatrial Node: Definition, Uses, and Clinical Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.bestspinehospitals.com\/blog\/sinoatrial-node-definition-uses-and-clinical-overview\/embed\/#?secret=3XwZFI7FV0\" width=\"600\" height=\"338\" title=\"&#8220;Sinoatrial Node: Definition, Uses, and Clinical Overview&#8221; &#8212; Best Spine Hospitals\" data-secret=\"3XwZFI7FV0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.bestspinehospitals.com\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"The Sinoatrial Node is a small cluster of specialized heart cells that normally starts each heartbeat. It sits in the right atrium, near where the superior vena cava enters the heart. It sets the pace for a normal heart rhythm, called *sinus rhythm*. Clinicians refer to it when interpreting ECGs, evaluating palpitations, and assessing slow or fast heart rates."}