{"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":"Paroxysmal SVT: Definition, Uses, and Clinical Overview - Best Cardiac Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"R3k59ASUJS\"><a href=\"https:\/\/www.bestcardiachospitals.com\/blog\/paroxysmal-svt-definition-uses-and-clinical-overview\/\">Paroxysmal SVT: Definition, Uses, and Clinical Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.bestcardiachospitals.com\/blog\/paroxysmal-svt-definition-uses-and-clinical-overview\/embed\/#?secret=R3k59ASUJS\" width=\"600\" height=\"338\" title=\"&#8220;Paroxysmal SVT: Definition, Uses, and Clinical Overview&#8221; &#8212; Best Cardiac Hospitals\" data-secret=\"R3k59ASUJS\" 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":"Paroxysmal SVT is a heart rhythm problem where the heart suddenly races and then stops just as suddenly. \u201cSVT\u201d means supraventricular tachycardia, or a fast rhythm that starts above the ventricles (the heart\u2019s main pumping chambers). \u201cParoxysmal\u201d means the episodes come and go rather than being constant. The term is commonly used in clinic notes, emergency care, ECG interpretations, and electrophysiology (heart rhythm) discussions."}