1.0Vichaivej International Hospital Nongkhaemhttps://vichaivej-nongkhaem.com/enผู้ดูแลเว็บไซต์https://vichaivej-nongkhaem.com/en/author/adm_vichaivejrich600338<blockquote class="wp-embedded-content"><a href="https://vichaivej-nongkhaem.com/en/technology/diagnostic-ultrasound-machine">Diagnostic Ultrasound Machine</a></blockquote> <script type='text/javascript'> <!--//--><![CDATA[//><!-- /*! This file is auto-generated */ !function(d,l){"use strict";var e=!1,o=!1;if(l.querySelector)if(d.addEventListener)e=!0;if(d.wp=d.wp||{},!d.wp.receiveEmbedMessage)if(d.wp.receiveEmbedMessage=function(e){var t=e.data;if(t)if(t.secret||t.message||t.value)if(!/[^a-zA-Z0-9]/.test(t.secret)){var r,a,i,s,n,o=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),c=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]');for(r=0;r<c.length;r++)c[r].style.display="none";for(r=0;r<o.length;r++)if(a=o[r],e.source===a.contentWindow){if(a.removeAttribute("style"),"height"===t.message){if(1e3<(i=parseInt(t.value,10)))i=1e3;else if(~~i<200)i=200;a.height=i}if("link"===t.message)if(s=l.createElement("a"),n=l.createElement("a"),s.href=a.getAttribute("src"),n.href=t.value,n.host===s.host)if(l.activeElement===a)d.top.location.href=t.value}}},e)d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),d.addEventListener("load",t,!1);function t(){if(!o){o=!0;var e,t,r,a,i=-1!==navigator.appVersion.indexOf("MSIE 10"),s=!!navigator.userAgent.match(/Trident.*rv:11\./),n=l.querySelectorAll("iframe.wp-embedded-content");for(t=0;t<n.length;t++){if(!(r=n[t]).getAttribute("data-secret"))a=Math.random().toString(36).substr(2,10),r.src+="#?secret="+a,r.setAttribute("data-secret",a);if(i||s)(e=r.cloneNode(!0)).removeAttribute("security"),r.parentNode.replaceChild(e,r)}}}}(window,document); //--><!]]> </script><iframe sandbox="allow-scripts" security="restricted" src="https://vichaivej-nongkhaem.com/en/technology/diagnostic-ultrasound-machine/embed" width="600" height="338" title="“Diagnostic Ultrasound Machine” — Vichaivej International Hospital Nongkhaem" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe>https://vichaivej-nongkhaem.com/wp-content/uploads/2021/01/เครื่องตรวจอัลตร้าซาวนด์.jpg20481365Ultrasound diagnosis utilizes high-frequency sound waves beyond what human ears can hear. This sound wave does not cause any harm from ll in the frequency and quantity used in medicine. Therefore, it has been widely used in the initial examination and general diagnosis, especially in children and fetuses since in addition to not being harmful, the patient would not feel pain in the examined area aside from just a little pressure.