{"version":"1.0","provider_name":"atsixty","provider_url":"https:\/\/atsixty.com","title":"Rheumatology Clinical - atsixty","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"w3RGJlI7HD\"><a href=\"https:\/\/atsixty.com\/index.php\/2026\/04\/21\/rheumatology-clinical\/\">Rheumatology Clinical<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/atsixty.com\/index.php\/2026\/04\/21\/rheumatology-clinical\/embed\/#?secret=w3RGJlI7HD\" width=\"600\" height=\"338\" title=\"&#8220;Rheumatology Clinical&#8221; &#8212; atsixty\" data-secret=\"w3RGJlI7HD\" 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:\/\/atsixty.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Morning Rounds \u00b7 Rheumatology GOUT \u00b7 MSU PSEUDOGOUT \u00b7 CPPD \u2190 slow axis \u2192 \u2190 slow axis \u2192 yellow (parallel) blue (perp) Negative birefringence blue (parallel) Weakly positive birefringence Polarised light microscopy with red compensator. MSU (gout): needle-shaped, negatively birefringent \u2014 yellow when parallel to the slow axis. CPPD (pseudogout): rhomboid, weakly positively birefringent \u2014&hellip;&nbsp;"}