{"version":"1.0","provider_name":"Best Heart Surgery Hospitals","provider_url":"https:\/\/www.bestheartsurgery.com\/blog","author_name":"drheartcare","author_url":"https:\/\/www.bestheartsurgery.com\/blog\/author\/drheartcare\/","title":"QT Interval: Definition, Clinical Significance, and Overview - Best Heart Surgery Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"0RqaJ540U7\"><a href=\"https:\/\/www.bestheartsurgery.com\/blog\/qt-interval-definition-clinical-significance-and-overview\/\">QT Interval: Definition, Clinical Significance, and Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.bestheartsurgery.com\/blog\/qt-interval-definition-clinical-significance-and-overview\/embed\/#?secret=0RqaJ540U7\" width=\"600\" height=\"338\" title=\"&#8220;QT Interval: Definition, Clinical Significance, and Overview&#8221; &#8212; Best Heart Surgery Hospitals\" data-secret=\"0RqaJ540U7\" 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.bestheartsurgery.com\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"QT Interval is an electrocardiogram (ECG) measurement that reflects ventricular depolarization plus repolarization. It is read on a diagnostic test, not a symptom or a disease by itself. It is used most often in cardiology, emergency care, and perioperative medicine to assess arrhythmia risk. It is commonly discussed when evaluating medications, electrolytes, syncope, and inherited channelopathies."}