{"version":"1.0","provider_name":"Best Cardiac Hospitals","provider_url":"https:\/\/www.bestcardiachospitals.com\/blog","author_name":"drcardiac","author_url":"https:\/\/www.bestcardiachospitals.com\/blog\/author\/drcardiac\/","title":"Sinoatrial Node: Definition, Uses, and Clinical Overview - Best Cardiac Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"SbW32rfcs0\"><a href=\"https:\/\/www.bestcardiachospitals.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.bestcardiachospitals.com\/blog\/sinoatrial-node-definition-uses-and-clinical-overview\/embed\/#?secret=SbW32rfcs0\" width=\"600\" height=\"338\" title=\"&#8220;Sinoatrial Node: Definition, Uses, and Clinical Overview&#8221; &#8212; Best Cardiac Hospitals\" data-secret=\"SbW32rfcs0\" 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.bestcardiachospitals.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 blood returns to the heart through the superior vena cava. It is commonly discussed when clinicians evaluate heart rhythm, pulse rate, and causes of palpitations or fainting."}