{"version":"1.0","provider_name":"Roemheld-Syndrom International","provider_url":"https:\/\/roemheld.org\/de","title":"Interview: Gregory M. Marcus, MD, MAS - Roemheld Syndrome International","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"MxGhAerqeo\"><a href=\"https:\/\/roemheld.org\/de\/interview-gregory-m-marcus-md-mas\/\">Interview: Gregory M. Marcus, MD, MAS<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/roemheld.org\/de\/interview-gregory-m-marcus-md-mas\/embed\/#?secret=MxGhAerqeo\" width=\"600\" height=\"338\" title=\"&#8222;Interview: Gregory M. Marcus, MD, MAS&#8220; &#8211; Roemheld Syndrome International\" data-secret=\"MxGhAerqeo\" 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:\/\/roemheld.org\/wp-includes\/js\/wp-embed.min.js\n<\/script>","description":"Interview: Gregory M. Marcus, on PVCs, Gastrointestinal Symptoms and Future Research Published: 18 June 2026 Gregory M. Marcus, MD, MAS is a leading cardiac electrophysiologist, Professor of Medicine at UCSF, and Associate Editor of JAMA. His research focuses on premature ventricular contractions (PVCs), atrial fibrillation, and modifiable lifestyle factors that influence heart rhythm disorders.We have..."}