1.0Best Heart Surgery Hospitalshttps://www.bestheartsurgery.com/blogdrheartcarehttps://www.bestheartsurgery.com/blog/author/drheartcare/rich600338<blockquote class="wp-embedded-content" data-secret="OfiOYlak1v"><a href="https://www.bestheartsurgery.com/blog/nitroglycerin-definition-clinical-significance-and-overview/">Nitroglycerin: Definition, Clinical Significance, and Overview</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.bestheartsurgery.com/blog/nitroglycerin-definition-clinical-significance-and-overview/embed/#?secret=OfiOYlak1v" width="600" height="338" title="“Nitroglycerin: Definition, Clinical Significance, and Overview” — Best Heart Surgery Hospitals" data-secret="OfiOYlak1v" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! 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://www.bestheartsurgery.com/blog/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Nitroglycerin is a nitrate medication that relaxes vascular smooth muscle. It is used mainly in cardiology as a therapy for ischemic chest pain (angina) and some acute heart failure presentations. It is commonly given in emergency, inpatient, and perioperative settings. It is also used in outpatient care for selected patients with chronic coronary artery disease.