{"version":"1.0","provider_name":"Knee Hospitals","provider_url":"https:\/\/www.kneehospitals.com\/blog","author_name":"drknee","author_url":"https:\/\/www.kneehospitals.com\/blog\/author\/drknee\/","title":"Knee effusion: Definition, Uses, and Clinical Overview - Knee Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"XcwRvoA0lY\"><a href=\"https:\/\/www.kneehospitals.com\/blog\/knee-effusion-definition-uses-and-clinical-overview\/\">Knee effusion: Definition, Uses, and Clinical Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.kneehospitals.com\/blog\/knee-effusion-definition-uses-and-clinical-overview\/embed\/#?secret=XcwRvoA0lY\" width=\"600\" height=\"338\" title=\"&#8220;Knee effusion: Definition, Uses, and Clinical Overview&#8221; &#8212; Knee Hospitals\" data-secret=\"XcwRvoA0lY\" 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.kneehospitals.com\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"Knee effusion is extra fluid inside the knee joint. It is often called \u201cwater on the knee\u201d in everyday language. Clinicians use the term when documenting knee swelling related to injury, arthritis, or inflammation. It is commonly discussed in orthopedics, sports medicine, physical therapy, and emergency care."}