{"version":"1.0","provider_name":"All About Heart And Blood Vessels","provider_url":"https:\/\/johnsonfrancis.org\/general","author_name":"Johnson Francis","author_url":"https:\/\/johnsonfrancis.org\/general\/author\/jf\/","title":"Role of pacemakers in atrial fibrillation - All About Heart And Blood Vessels","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"IMYZzmHA0k\"><a href=\"https:\/\/johnsonfrancis.org\/general\/role-of-pacemakers-in-atrial-fibrillation\/\">Role of pacemakers in atrial fibrillation<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/johnsonfrancis.org\/general\/role-of-pacemakers-in-atrial-fibrillation\/embed\/#?secret=IMYZzmHA0k\" width=\"600\" height=\"338\" title=\"&#8220;Role of pacemakers in atrial fibrillation&#8221; &#8212; All About Heart And Blood Vessels\" data-secret=\"IMYZzmHA0k\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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:\/\/johnsonfrancis.org\/general\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"There could be more than one role of pacemakers in atrial fibrillation. In those with recurrent rather than persistent atrial fibrillation, pacing the atrium (upper chamber of the heart) simultaneously from multiple sites can reduce the recurrence of atrial fibrillation."}