{"version":"1.0","provider_name":"All About Cardiovascular System and Disorders","provider_url":"https:\/\/johnsonfrancis.org\/professional","author_name":"Johnson Francis","author_url":"https:\/\/johnsonfrancis.org\/professional\/author\/jf\/","title":"Coronary venous circulation - All About Cardiovascular System and Disorders","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"oIHLmQf4cl\"><a href=\"https:\/\/johnsonfrancis.org\/professional\/coronary-venous-circulation\/\">Coronary venous circulation<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/johnsonfrancis.org\/professional\/coronary-venous-circulation\/embed\/#?secret=oIHLmQf4cl\" width=\"600\" height=\"338\" title=\"&#8220;Coronary venous circulation&#8221; &#8212; All About Cardiovascular System and Disorders\" data-secret=\"oIHLmQf4cl\" 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\/professional\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":null,"thumbnail_width":null,"thumbnail_height":null,"description":"Coronary venous circulation Importance of knowing the coronary venous circulation has increased in recent years with use of cardiac resynchronization therapy (CRT) for heart failure. Left ventricular epicardial pacing in CRT is achieved by placing a lead in a coronary vein, usually a posterolateral tributary of the coronary sinus. Coronary venous circulation can be visualized [&hellip;]"}