1.0All About Cardiovascular System and Disordershttps://johnsonfrancis.org/professionalJohnson Francishttps://johnsonfrancis.org/professional/author/jf/rich600338<blockquote class="wp-embedded-content" data-secret="qseeEf9zTL"><a href="https://johnsonfrancis.org/professional/x-ray-quiz-8/">X-ray Quiz 8</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://johnsonfrancis.org/professional/x-ray-quiz-8/embed/#?secret=qseeEf9zTL" width="600" height="338" title="“X-ray Quiz 8” — All About Cardiovascular System and Disorders" data-secret="qseeEf9zTL" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://johnsonfrancis.org/professional/wp-includes/js/wp-embed.min.js </script> X-ray Quiz 8 Pacemaker pulse generator is seen in the right infraclavicular region. The pacemaker leads are clearly seen in this chest X-ray, either due to slight over penetration or digital post processing. Two leads originating from the pulse generator are tracking through the subclavian vein and superior vena cava. Atrial lead curves upwards into […]