{"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":"Fractional flow reserve (FFR) - All About Heart And Blood Vessels","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"eeG9QkvYdi\"><a href=\"https:\/\/johnsonfrancis.org\/general\/general\/fractional-flow-reserve-ffr\/\">Fractional flow reserve (FFR)<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/johnsonfrancis.org\/general\/general\/fractional-flow-reserve-ffr\/embed\/#?secret=eeG9QkvYdi\" width=\"600\" height=\"338\" title=\"&#8220;Fractional flow reserve (FFR)&#8221; &#8212; All About Heart And Blood Vessels\" data-secret=\"eeG9QkvYdi\" 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":"Fractional flow reserve (FFR): Fractional flow reserve (FFR) is measured using an ultrsound Doppler wire. It measures the pressure before and after a narrowing in the coronary artery. The ratio between the two is known as FFR. It will indicate the significance of the narrowing noted on coronary angiography. If the ratio is low, that [&hellip;]"}