1.0All About Cardiovascular System and Disordershttps://johnsonfrancis.org/professionalJohnson Francishttps://johnsonfrancis.org/professional/author/jf/rich600338<blockquote class="wp-embedded-content" data-secret="J6fCdzNnEe"><a href="https://johnsonfrancis.org/professional/breathlessness/">Breathlessness</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://johnsonfrancis.org/professional/breathlessness/embed/#?secret=J6fCdzNnEe" width="600" height="338" title="“Breathlessness” — All About Cardiovascular System and Disorders" data-secret="J6fCdzNnEe" 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> Breathlessness Breathlessness (dyspnea) is another important symptom of heart disease. It can occur at rest or with exercise. Breathlessness at rest usually indicates a more severe disease. It is the most common symptom which is used to grade the functional class of the individual. Breathlessness in heart disease often indicates heart failure, though it can […]