{"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":"Vasospastic Angina: Definition, Uses, and Clinical Overview - Best Cardiac Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"P1jMqk5Dd3\"><a href=\"https:\/\/www.bestcardiachospitals.com\/blog\/vasospastic-angina-definition-uses-and-clinical-overview\/\">Vasospastic Angina: Definition, Uses, and Clinical Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.bestcardiachospitals.com\/blog\/vasospastic-angina-definition-uses-and-clinical-overview\/embed\/#?secret=P1jMqk5Dd3\" width=\"600\" height=\"338\" title=\"&#8220;Vasospastic Angina: Definition, Uses, and Clinical Overview&#8221; &#8212; Best Cardiac Hospitals\" data-secret=\"P1jMqk5Dd3\" 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":"Vasospastic Angina is chest discomfort caused by a temporary spasm (sudden tightening) of a coronary artery. The spasm briefly reduces blood flow to part of the heart muscle, even when an artery may look normal between episodes. It is commonly discussed in cardiology clinics and emergency settings when symptoms occur at rest or in cycles (often at night or early morning)."}