{"id":3962,"date":"2026-02-13T19:37:05","date_gmt":"2026-02-14T01:37:05","guid":{"rendered":"https:\/\/drakarlacastolo.com\/?p=3962"},"modified":"2026-02-13T19:37:07","modified_gmt":"2026-02-14T01:37:07","slug":"what-is-echocardiography-for","status":"publish","type":"post","link":"https:\/\/drakarlacastolo.com\/en\/blog\/diagnostic-evaluation\/what-is-echocardiography-for\/","title":{"rendered":"Echocardiogram: what does it evaluate and how to read common results?"},"content":{"rendered":"<p>Echocardiogram (echo) is an ultrasound of the heart. It does not \u201ctell\u201d the future, but it does answer key questions: <strong>how is the pumping force<\/strong>, <strong>how the valves are<\/strong>, if there is <strong>changes in heart size<\/strong> and if there are findings that explain symptoms such as shortness of breath, tiredness or swelling.<\/p>\n\n\n\n<p>The problem is that the report is often full of technical terms. Here is a guide to understand the most common ones and know when they merit consultation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The most important<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The echo is used to evaluate <strong>structure<\/strong> (cavity size, muscle thickness) and <strong>function<\/strong> (pumping and relaxation), in addition to <strong>valves<\/strong> and flows with Doppler.<\/li>\n\n\n\n<li>\u201cNormal\u201d in the report does not always mean \u201cI have no symptoms\u201d; it means that. <strong>this test<\/strong> found no relevant structural alterations.<\/li>\n\n\n\n<li>The findings that most change decisions tend to be: <strong>low ejection fraction<\/strong>, <strong>moderate\/severe valvulopathy<\/strong>, <strong>significant expansion<\/strong>, or signs of <strong>high pressures<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>If you want to see what the study includes and how it is performed: <a href=\"https:\/\/drakarlacastolo.com\/en\/studies\/doppler-echocardiogram\/?utm_source=chatgpt.com\">Doppler echocardiogram<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What does an echocardiogram evaluate?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1) Pumping force (systolic function)<\/h3>\n\n\n\n<p>The best known measure is the <strong>left ventricular ejection fraction (LVEF)<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>What it means:<\/strong> what proportion of blood is ejected from the left ventricle with each heartbeat.<\/li>\n\n\n\n<li><strong>How it is interpreted in general:<\/strong> a \u201cnormal\u201d value is usually reported as normal\/preserved; when it is decreased, the report usually classifies it as mild\/moderate\/severe.<\/li>\n<\/ul>\n\n\n\n<p>If your report shows decreased LVEF and you have symptoms (shortness of breath, tiredness, swelling), it is worth relating it to a diagnosis and plan. Related reading: <a href=\"https:\/\/drakarlacastolo.com\/en\/blog\/cardiac-conditions\/cardiac-insufficiency\/?utm_source=chatgpt.com\">Heart failure<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2) Cavity size and muscle thickness.<\/h3>\n\n\n\n<p>Here we usually find terms such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dilation<\/strong> (cavity larger than expected)<\/li>\n\n\n\n<li><strong>Hypertrophy<\/strong> (thicker wall than expected)<\/li>\n<\/ul>\n\n\n\n<p><strong>What it can mean:<\/strong> is not \u201cgood or bad\u201d by itself; it depends on the cause. Hypertrophy, for example, is often related to hypertension of years or increased workload.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3) Valves (and why \u201cpuff\u201d appears)<\/h3>\n\n\n\n<p>A murmur may be innocent or it may reflect a valve that does not open or close properly.<\/p>\n\n\n\n<p>In the echo, you will see it as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Insufficiency (regurgitation)<\/strong>The valve \u201cleaks\u201d a little blood backwards.<\/li>\n\n\n\n<li><strong>Stenosis<\/strong>valve opens with difficulty.<\/li>\n<\/ul>\n\n\n\n<p>A practical point: <strong>\u201cmild\u201d is common<\/strong> (especially mild insufficiency) and often only requires follow-up, not immediate treatment. What changes decisions is <strong>moderate or severe<\/strong>, or when there are symptoms.<\/p>\n\n\n\n<p>(Interlink \u201cmurmur\/valvulopathy\u201d I leave it without link because in your brief it says \u201cwhen it exists\u201d).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4) Doppler: estimated fluxes and pressures<\/h3>\n\n\n\n<p>Doppler helps to estimate:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>speed\/gradients through valves,<\/li>\n\n\n\n<li>and, in some reports, <strong>estimated pulmonary pressure<\/strong> or indirect data of elevated pressure.<\/li>\n<\/ul>\n\n\n\n<p>This is interpreted with clinical history and examination; by itself it does not close diagnoses.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5) \u201cDiastolic function\u201d (relaxation of the heart).<\/h3>\n\n\n\n<p>Sometimes it appears as \u201cdiastolic dysfunction\u201d or \u201caltered relaxation pattern\u201d.<\/p>\n\n\n\n<p>Useful translation: the heart can pump well, but <strong>relax worse<\/strong>, which is associated with age, hypertension, obesity and other factors. It is not treated with \u201can echo drug\u201d; it is treated by correcting the cardiometabolic context and, if applicable, pressure and volume control.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to read your report without getting lost<\/h2>\n\n\n\n<p>Think in 5 blocks:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Conclusion\/Printing<\/strong>is the most important; the main findings are summarized here.<\/li>\n\n\n\n<li><strong>LVEF \/ function<\/strong>normal vs. diminished.<\/li>\n\n\n\n<li><strong>Cavities and thickness<\/strong>dilatation \/ hypertrophy.<\/li>\n\n\n\n<li><strong>Valves<\/strong>stenosis or insufficiency (and its severity).<\/li>\n\n\n\n<li><strong>Doppler\/pressures<\/strong>Estimates that are interpreted in context.<\/li>\n<\/ol>\n\n\n\n<p>If your report has a lot of numbers: don't try to \u201cself-diagnose\u201d by single ranges. What is useful is: <strong>what changed<\/strong>, <strong>what level<\/strong>, <strong>if correlated with symptoms<\/strong> y <strong>what follow-up is required<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">When is an echocardiogram indicated?<\/h2>\n\n\n\n<p>It is usually requested when there are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>shortness of breath or fatigue without clear cause,<\/li>\n\n\n\n<li>suspected heart failure,<\/li>\n\n\n\n<li>murmur detected on examination,<\/li>\n\n\n\n<li>hypertension of long evolution with suspicion of structural changes,<\/li>\n\n\n\n<li>monitoring of valvulopathies or other conditions.<\/li>\n<\/ul>\n\n\n\n<p>If you are looking for a comprehensive review (not just a symptom), it is often integrated into a standard plan: <a href=\"https:\/\/drakarlacastolo.com\/en\/cardiac-checkup\/?utm_source=chatgpt.com\">Cardiac check up<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Real limitations of echocardiography<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It is not the best study for \u201chunting\u201d intermittent arrhythmias (for that it is usually Holter monitoring).<\/li>\n\n\n\n<li>It may depend on the \u201cacoustic window\u201d (image quality), anatomy, air in the lungs, etc.<\/li>\n\n\n\n<li>A normal echo does not rule out non-structural causes of symptoms (anemia, lung, deconditioning, etc.).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Signs to consult with the report in hand<\/h2>\n\n\n\n<p>Schedule review if your report mentions any of these (especially if symptoms are present):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Decreased LVEF<\/strong> or \u201csystolic dysfunction\u201d<\/li>\n\n\n\n<li><strong>moderate or severe valvulopathy<\/strong><\/li>\n\n\n\n<li><strong>significant expansion<\/strong> of cavities<\/li>\n\n\n\n<li><strong>marked hypertrophy<\/strong><\/li>\n\n\n\n<li>suspicion of <strong>elevated pulmonary pressures<\/strong><\/li>\n\n\n\n<li>or if your symptom persists even though the report says \u201cno significant alterations\u201d.\u201d<\/li>\n<\/ul>\n\n\n\n<p>If you want to integrate findings + symptoms + next step (follow-up, treatment or further study), it is most efficient to do it in consultation. <a href=\"https:\/\/drakarlacastolo.com\/en\/contact\/?utm_source=chatgpt.com\">Contact<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Useful questions for your practice<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Does the finding explain my symptoms or is it incidental?<\/li>\n\n\n\n<li>What does \u201cmild\/moderate\/severe\u201d mean in my case?<\/li>\n\n\n\n<li>How often should I repeat the echocardiogram (if applicable)?<\/li>\n\n\n\n<li>What changes in habits or treatment have the most impact according to my profile?<\/li>\n\n\n\n<li>Do I need another study or just follow-up?<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">References<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.heart.org\/en\/health-topics\/heart-attack\/diagnosing-a-heart-attack\/echocardiogram?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\">American Heart Association. Echocardiogram<\/a><\/li>\n\n\n\n<li><a>Mayo Clinic. Echocardiogram<\/a><\/li>\n\n\n\n<li><a>NHLBI (NIH). Echocardiography<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.bhf.org.uk\/informationsupport\/tests\/echocardiogram\" target=\"_blank\" rel=\"noopener\">British Heart Foundation. Echocardiogram<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>El ecocardiograma (eco) es un ultrasonido del coraz\u00f3n. No \u201cadivina\u201d el futuro, pero s\u00ed responde preguntas clave: c\u00f3mo est\u00e1 la fuerza de bombeo, c\u00f3mo est\u00e1n las v\u00e1lvulas, si hay cambios en el tama\u00f1o del coraz\u00f3n y si hay hallazgos que explican s\u00edntomas como falta de aire, cansancio o hinchaz\u00f3n. El problema es que el reporte [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3962","post","type-post","status-publish","format-standard","hentry","category-evaluacion-diagnostico"],"acf":[],"_links":{"self":[{"href":"https:\/\/drakarlacastolo.com\/en\/wp-json\/wp\/v2\/posts\/3962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/drakarlacastolo.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/drakarlacastolo.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/drakarlacastolo.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/drakarlacastolo.com\/en\/wp-json\/wp\/v2\/comments?post=3962"}],"version-history":[{"count":1,"href":"https:\/\/drakarlacastolo.com\/en\/wp-json\/wp\/v2\/posts\/3962\/revisions"}],"predecessor-version":[{"id":3963,"href":"https:\/\/drakarlacastolo.com\/en\/wp-json\/wp\/v2\/posts\/3962\/revisions\/3963"}],"wp:attachment":[{"href":"https:\/\/drakarlacastolo.com\/en\/wp-json\/wp\/v2\/media?parent=3962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/drakarlacastolo.com\/en\/wp-json\/wp\/v2\/categories?post=3962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/drakarlacastolo.com\/en\/wp-json\/wp\/v2\/tags?post=3962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}