{"id":3001,"date":"2026-02-27T21:52:28","date_gmt":"2026-02-27T21:52:28","guid":{"rendered":"https:\/\/www.bestspinehospitals.com\/blog\/mitral-regurgitation-definition-uses-and-clinical-overview\/"},"modified":"2026-02-27T21:52:28","modified_gmt":"2026-02-27T21:52:28","slug":"mitral-regurgitation-definition-uses-and-clinical-overview","status":"publish","type":"post","link":"https:\/\/www.bestspinehospitals.com\/blog\/mitral-regurgitation-definition-uses-and-clinical-overview\/","title":{"rendered":"Mitral Regurgitation: Definition, Uses, and Clinical Overview"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Mitral Regurgitation Introduction (What it is)<\/h2>\n\n\n\n<p>Mitral Regurgitation is a condition where the mitral valve does not close tightly.<br\/>\nThis allows some blood to leak backward from the left ventricle into the left atrium.<br\/>\nIt is commonly identified on echocardiography (heart ultrasound) during cardiac evaluation.<br\/>\nClinicians use the term to describe valve function, severity, and potential impact on the heart.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Mitral Regurgitation used (Purpose \/ benefits)<\/h2>\n\n\n\n<p>Mitral Regurgitation is not a device or a treatment; it is a clinical diagnosis and physiologic description. Using a shared, specific term helps clinicians:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Describe a valve problem clearly.<\/strong> \u201cRegurgitation\u201d means backward flow, and \u201cmitral\u201d specifies the valve between the left atrium and left ventricle.<\/li>\n<li><strong>Connect symptoms to heart mechanics.<\/strong> Shortness of breath, fatigue, reduced exercise tolerance, or palpitations may relate to backward leakage and increased pressures in the left atrium and lungs.<\/li>\n<li><strong>Stratify risk and timing.<\/strong> Determining whether the leak is mild, moderate, or severe helps estimate the likelihood of progression and the potential need for closer follow-up or intervention.<\/li>\n<li><strong>Guide testing choices.<\/strong> The presence and suspected cause of Mitral Regurgitation can determine whether transthoracic echocardiography, transesophageal echocardiography, cardiac MRI, stress testing, or other assessments are appropriate.<\/li>\n<li><strong>Support treatment planning.<\/strong> The term is central when discussing medical therapy (symptom management and comorbidities), valve repair versus replacement, and catheter-based options in selected patients.<\/li>\n<li><strong>Standardize communication.<\/strong> Cardiologists, surgeons, anesthesiologists, primary care clinicians, and trainees rely on consistent definitions to compare findings over time and across care settings.<\/li>\n<\/ul>\n\n\n\n<p>In short, identifying and characterizing Mitral Regurgitation addresses the clinical problem of <strong>valve-related backward blood flow<\/strong>, its <strong>cause<\/strong>, and its <strong>effect on heart structure and function<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Clinical context (When cardiologists or cardiovascular clinicians use it)<\/h2>\n\n\n\n<p>Mitral Regurgitation is referenced or assessed in many common scenarios, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Evaluation of a <strong>heart murmur<\/strong> heard on physical exam  <\/li>\n<li>Workup for <strong>shortness of breath<\/strong>, fatigue, reduced exercise capacity, or swelling  <\/li>\n<li>Assessment of <strong>heart failure<\/strong> (both reduced and preserved ejection fraction)  <\/li>\n<li>Investigation of <strong>new atrial fibrillation<\/strong> or enlarged left atrium on imaging  <\/li>\n<li>Follow-up of known <strong>mitral valve prolapse<\/strong> or degenerative valve disease  <\/li>\n<li>After a <strong>heart attack (myocardial infarction)<\/strong> when papillary muscle dysfunction or rupture is a concern  <\/li>\n<li>In <strong>dilated cardiomyopathy<\/strong>, where the ventricle enlarges and the valve may leak secondarily  <\/li>\n<li>Pre-operative or pre-procedural assessment before other cardiac surgery or structural interventions  <\/li>\n<li>Longitudinal monitoring of <strong>incidental mild regurgitation<\/strong> noted on echocardiogram  <\/li>\n<li>In endocarditis evaluation, when valve infection may cause new or worsening leakage<\/li>\n<\/ul>\n\n\n\n<p>In practice, Mitral Regurgitation is most often <strong>assessed by echocardiography<\/strong> and interpreted in the context of symptoms, ventricular function, rhythm, and blood pressure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Contraindications \/ when it\u2019s NOT ideal<\/h2>\n\n\n\n<p>Because Mitral Regurgitation is a diagnosis (not a therapy), it does not have \u201ccontraindications\u201d in the usual sense. However, there are situations where focusing on Mitral Regurgitation alone is <strong>not ideal<\/strong>, or where certain ways of measuring it are <strong>less reliable<\/strong>, and another approach may be preferred:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>When another condition is the main problem<\/strong>, such as severe aortic stenosis or advanced lung disease, where symptoms may not be primarily explained by Mitral Regurgitation  <\/li>\n<li><strong>When imaging windows are limited<\/strong> on transthoracic echocardiography (for example, due to body habitus or lung interference), making severity estimation less certain  <\/li>\n<li><strong>Irregular rhythms (such as atrial fibrillation)<\/strong>, where beat-to-beat variation can complicate quantitative measurements  <\/li>\n<li><strong>Acute hemodynamic instability<\/strong>, where rapid bedside assessment may prioritize stabilization; detailed quantification may occur after the situation is more controlled  <\/li>\n<li><strong>Multiple valve lesions at once<\/strong>, where overall physiology (combined stenosis and regurgitation, or multi-valve disease) can make single-lesion grading less straightforward  <\/li>\n<li><strong>Dynamic or loading-condition\u2013dependent regurgitation<\/strong>, where blood pressure, volume status, and afterload changes can alter the apparent severity across studies  <\/li>\n<li><strong>When noninvasive imaging is inconclusive<\/strong>, and transesophageal echo, cardiac MRI, or invasive hemodynamics may be more informative (varies by clinician and case)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How it works (Mechanism \/ physiology)<\/h2>\n\n\n\n<p>Mitral Regurgitation occurs when the <strong>mitral valve apparatus<\/strong> fails to form a competent seal during ventricular contraction (systole). Instead of all blood moving forward from the <strong>left ventricle<\/strong> into the <strong>aorta<\/strong>, a portion flows backward into the <strong>left atrium<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Relevant anatomy (what can go wrong)<\/h3>\n\n\n\n<p>The mitral valve is more than two leaflets. It includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Leaflets<\/strong> (anterior and posterior) that must meet (coapt) properly  <\/li>\n<li><strong>Chordae tendineae<\/strong> (\u201cheart strings\u201d) that tether the leaflets  <\/li>\n<li><strong>Papillary muscles<\/strong> that anchor the chordae inside the left ventricle  <\/li>\n<li><strong>Mitral annulus<\/strong> (the ring-like base) that can enlarge or change shape  <\/li>\n<li><strong>Left ventricle and left atrium<\/strong>, whose size and geometry influence valve closure<\/li>\n<\/ul>\n\n\n\n<p>Problems in any of these components can cause regurgitation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Physiologic consequences (why it matters)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The left atrium receives extra volume during systole, which can <strong>raise left atrial pressure<\/strong> and contribute to <strong>pulmonary congestion<\/strong>.  <\/li>\n<li>Over time in chronic cases, the heart may adapt with <strong>left atrial enlargement<\/strong> and <strong>left ventricular dilation<\/strong> (volume overload remodeling).  <\/li>\n<li>The effective forward output can fall, particularly when regurgitation is significant, contributing to fatigue and reduced exercise tolerance.  <\/li>\n<li>Changes in atrial size and pressure can increase the likelihood of <strong>atrial fibrillation<\/strong> in some patients.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Time course and interpretation<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Acute Mitral Regurgitation<\/strong> (sudden onset) can cause marked symptoms because the left atrium has not had time to adapt.  <\/li>\n<li><strong>Chronic Mitral Regurgitation<\/strong> may be tolerated for years, with gradual chamber enlargement; symptoms and measurable ventricular dysfunction may appear later.  <\/li>\n<li>Severity is interpreted using a combination of echo features (color Doppler appearance, quantitative measures when feasible, chamber sizes, pulmonary pressures), recognizing that findings can vary with blood pressure and volume status.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Mitral Regurgitation Procedure overview (How it\u2019s applied)<\/h2>\n\n\n\n<p>Mitral Regurgitation is typically <strong>evaluated and followed<\/strong> rather than \u201cperformed.\u201d A common clinical workflow is:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\n<p><strong>Evaluation \/ exam<\/strong>\n   &#8211; Symptom review (breathlessness, fatigue, palpitations, exercise tolerance)\n   &#8211; Physical exam (murmur characteristics, signs of congestion)\n   &#8211; Baseline tests often include ECG and sometimes chest imaging or labs, depending on context (varies by clinician and case)<\/p>\n<\/li>\n<li>\n<p><strong>Preparation<\/strong>\n   &#8211; Selection of imaging based on the question: screening versus detailed mechanism, severity confirmation, or pre-intervention planning<\/p>\n<\/li>\n<li>\n<p><strong>Testing<\/strong>\n   &#8211; <strong>Transthoracic echocardiography (TTE)<\/strong> is commonly the first test to confirm Mitral Regurgitation, estimate severity, and assess ventricular function.\n   &#8211; <strong>Transesophageal echocardiography (TEE)<\/strong> may be used for more detailed valve anatomy (for example, when repair planning is considered or TTE images are limited).\n   &#8211; <strong>Exercise or stress echocardiography<\/strong> can help correlate symptoms with valve physiology and pulmonary pressures in selected situations.\n   &#8211; <strong>Cardiac MRI<\/strong> may be used to quantify regurgitant volume\/fraction and ventricular volumes when echocardiographic quantification is uncertain (varies by clinician and case).<\/p>\n<\/li>\n<li>\n<p><strong>Immediate checks<\/strong>\n   &#8211; Clinicians integrate results: severity, cause (primary vs secondary), chamber sizes, ejection fraction, pulmonary pressures, and rhythm findings.<\/p>\n<\/li>\n<li>\n<p><strong>Follow-up<\/strong>\n   &#8211; Ongoing surveillance intervals and next steps depend on severity, symptoms, ventricular response, comorbidities, and feasibility of intervention (varies by clinician and case).<\/p>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Types \/ variations<\/h2>\n\n\n\n<p>Mitral Regurgitation is commonly categorized by <strong>cause<\/strong>, <strong>timing<\/strong>, and <strong>severity<\/strong>, because these features strongly influence interpretation and management discussions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">By mechanism (cause)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Primary (degenerative\/organic) Mitral Regurgitation<\/strong><\/li>\n<li>The valve apparatus itself is abnormal (for example, mitral valve prolapse, flail leaflet, ruptured chordae, calcification, or infective endocarditis-related damage).<\/li>\n<li><strong>Secondary (functional) Mitral Regurgitation<\/strong><\/li>\n<li>The leaflets may be structurally normal, but the ventricle and annulus change shape (often in cardiomyopathy or ischemic heart disease), preventing adequate leaflet coaptation.<\/li>\n<li><strong>Atrial functional Mitral Regurgitation<\/strong><\/li>\n<li>Related more to left atrial enlargement and annular dilation (often with long-standing atrial fibrillation), with relatively preserved left ventricular geometry in some cases.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">By time course<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Acute Mitral Regurgitation<\/strong><\/li>\n<li>Can occur with papillary muscle rupture after myocardial infarction, chordal rupture, or acute endocarditis complications.<\/li>\n<li><strong>Chronic Mitral Regurgitation<\/strong><\/li>\n<li>Often progresses gradually (for example, degenerative disease) or tracks with ventricular remodeling (functional regurgitation).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">By severity (clinical grading)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Often described as <strong>mild<\/strong>, <strong>moderate<\/strong>, or <strong>severe<\/strong> based on an integrated echocardiographic assessment. Some reports include intermediate categories (for example, mild-to-moderate), depending on lab conventions.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">By assessment modality<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TTE<\/strong> for initial assessment and routine follow-up  <\/li>\n<li><strong>TEE<\/strong> for detailed mechanism and procedural planning  <\/li>\n<li><strong>Cardiac MRI<\/strong> for volumetric quantification when needed  <\/li>\n<li><strong>Cardiac catheterization<\/strong> is not primarily used to \u201cmeasure Mitral Regurgitation,\u201d but may be part of broader evaluation (for example, coronary assessment or hemodynamics) in selected cases<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Pros and cons<\/h2>\n\n\n\n<p>Pros:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Provides a clear framework to describe <strong>backward mitral valve leakage<\/strong> and its implications  <\/li>\n<li>Helps connect symptoms and findings to <strong>cardiac physiology<\/strong> (volume overload, atrial pressure, pulmonary congestion)  <\/li>\n<li>Supports structured <strong>severity grading<\/strong> and longitudinal follow-up  <\/li>\n<li>Encourages evaluation of <strong>cause<\/strong> (primary vs secondary), which matters for treatment planning  <\/li>\n<li>Improves communication among cardiology, imaging, and surgical teams  <\/li>\n<li>Allows comparison over time when imaging is performed using consistent methods<\/li>\n<\/ul>\n\n\n\n<p>Cons:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Severity estimation can be <strong>operator- and image-quality\u2013dependent<\/strong>, particularly with echocardiography  <\/li>\n<li>Apparent severity may change with <strong>blood pressure and loading conditions<\/strong>, complicating comparisons  <\/li>\n<li>Multiple coexisting conditions (other valve disease, lung disease, cardiomyopathy) can make symptoms <strong>non-specific<\/strong> <\/li>\n<li>Quantitative measures may be less reliable in some rhythms or geometries (varies by clinician and case)  <\/li>\n<li>The term covers diverse mechanisms, so \u201cMitral Regurgitation\u201d alone may be <strong>too broad<\/strong> without specifying type and cause  <\/li>\n<li>Mild regurgitation can be an incidental finding, and its clinical importance can be <strong>uncertain<\/strong> without context<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Aftercare &amp; longevity<\/h2>\n\n\n\n<p>Because Mitral Regurgitation is a condition rather than a single treatment, \u201caftercare and longevity\u201d usually refers to <strong>long-term monitoring and outcomes<\/strong> across different severities and causes.<\/p>\n\n\n\n<p>General factors that influence how Mitral Regurgitation behaves over time include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Underlying mechanism<\/strong><\/li>\n<li>Degenerative (primary) disease may progress due to leaflet\/chordal changes.<\/li>\n<li>Functional regurgitation may improve or worsen with ventricular remodeling and management of the underlying cardiomyopathy (varies by clinician and case).<\/li>\n<li><strong>Severity at diagnosis and trajectory<\/strong><\/li>\n<li>Stable mild regurgitation is often followed differently than progressive moderate-to-severe regurgitation.<\/li>\n<li><strong>Left ventricular and left atrial response<\/strong><\/li>\n<li>Enlargement, changes in ejection fraction, and pulmonary pressure estimates are commonly used markers in follow-up discussions.<\/li>\n<li><strong>Heart rhythm<\/strong><\/li>\n<li>Atrial fibrillation can both result from and contribute to atrial enlargement, influencing symptoms and clinical planning.<\/li>\n<li><strong>Comorbidities<\/strong><\/li>\n<li>Coronary artery disease, hypertension, and other structural valve lesions can alter symptoms and progression.<\/li>\n<li><strong>Intervention type (when performed)<\/strong><\/li>\n<li>If repair\/replacement or catheter-based therapy is pursued, durability and follow-up needs depend on anatomy, technique, and device\/material choice (varies by clinician and case).<\/li>\n<li><strong>Follow-up adherence<\/strong><\/li>\n<li>Outcomes are often influenced by attending scheduled evaluations and repeat imaging when indicated, since progression can be silent until later stages.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Alternatives \/ comparisons<\/h2>\n\n\n\n<p>Mitral Regurgitation is managed through a spectrum from observation to intervention. Comparisons are typically framed around <strong>monitoring versus treatment<\/strong> and <strong>noninvasive versus invasive<\/strong> evaluation.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Observation\/monitoring vs intervention<\/strong><\/li>\n<li>Mild or stable cases may be monitored with periodic clinical review and echocardiography.<\/li>\n<li>\n<p>Severe cases, symptomatic cases, or those showing adverse chamber remodeling may prompt discussion of procedural options (the threshold and timing vary by clinician and case).<\/p>\n<\/li>\n<li>\n<p><strong>Medication-focused management vs valve-focused intervention<\/strong><\/p>\n<\/li>\n<li>Medications may help address contributing factors (for example, blood pressure control) or symptoms related to congestion in some settings.<\/li>\n<li>\n<p>Medications do not \u201crepair\u201d a structurally abnormal leaflet; when anatomy is suitable, repair or replacement may be considered to address the valve lesion itself.<\/p>\n<\/li>\n<li>\n<p><strong>Surgical vs catheter-based approaches<\/strong><\/p>\n<\/li>\n<li><strong>Surgical repair<\/strong> is often discussed for primary degenerative disease when anatomy is favorable and surgical risk is acceptable.<\/li>\n<li><strong>Valve replacement<\/strong> may be considered when repair is not feasible or durable (varies by valve anatomy and center experience).<\/li>\n<li>\n<p><strong>Transcatheter edge-to-edge repair<\/strong> and other catheter-based approaches may be options for selected patients, particularly when surgical risk is higher or in certain functional regurgitation scenarios (varies by clinician and case).<\/p>\n<\/li>\n<li>\n<p><strong>Imaging comparisons<\/strong><\/p>\n<\/li>\n<li><strong>TTE<\/strong> is widely available and noninvasive.<\/li>\n<li><strong>TEE<\/strong> offers higher anatomic detail but is semi-invasive and typically involves sedation.<\/li>\n<li><strong>Cardiac MRI<\/strong> can offer robust volumetric quantification, but availability, expertise, and patient-specific factors affect use.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Mitral Regurgitation Common questions (FAQ)<\/h2>\n\n\n\n<p><strong>Q: Is Mitral Regurgitation the same as a heart murmur?<\/strong><br\/>\nA murmur is a sound heard on exam that can be caused by turbulent blood flow. Mitral Regurgitation is one potential cause of a murmur, but not all murmurs are due to Mitral Regurgitation. Echocardiography is commonly used to determine the cause.<\/p>\n\n\n\n<p><strong>Q: Does Mitral Regurgitation cause chest pain?<\/strong><br\/>\nMitral Regurgitation more often relates to shortness of breath, fatigue, and reduced exercise tolerance than chest pain. Chest discomfort can occur for many reasons, including coronary disease or rhythm issues, so clinicians usually interpret symptoms in context. The relationship varies by individual and underlying cause.<\/p>\n\n\n\n<p><strong>Q: How is Mitral Regurgitation diagnosed?<\/strong><br\/>\nIt is most commonly diagnosed with transthoracic echocardiography, which shows valve motion and blood flow patterns. Additional tests like transesophageal echo, stress echo, or cardiac MRI may be used when the mechanism or severity needs clarification. The exact pathway varies by clinician and case.<\/p>\n\n\n\n<p><strong>Q: What does \u201cmild\u201d versus \u201csevere\u201d Mitral Regurgitation mean?<\/strong><br\/>\nThese terms describe how much blood is leaking backward and how the heart is responding. Severity grading is based on an integrated interpretation of multiple echo findings rather than a single number in many cases. Reports often also comment on chamber sizes and ventricular function.<\/p>\n\n\n\n<p><strong>Q: If I have Mitral Regurgitation, will I need surgery or a procedure?<\/strong><br\/>\nNot everyone with Mitral Regurgitation requires an intervention. Decisions depend on symptoms, severity, the cause (primary vs secondary), heart chamber size and function, and overall risk. Timing and approach vary by clinician and case.<\/p>\n\n\n\n<p><strong>Q: Is Mitral Regurgitation \u201cdangerous\u201d?<\/strong><br\/>\nIt can be benign when mild and stable, especially if the heart chambers remain normal. More significant regurgitation can contribute to heart enlargement, heart failure symptoms, atrial fibrillation, or pulmonary pressure elevation over time. Risk depends on severity, mechanism, and how the heart adapts.<\/p>\n\n\n\n<p><strong>Q: How long do results last after valve repair or replacement for Mitral Regurgitation?<\/strong><br\/>\nDurability depends on the underlying disease, valve anatomy, the technique used, and\u2014when applicable\u2014the device or material selected. Some repairs can be long-lasting, while other situations are more prone to recurrence or progression. Longevity varies by clinician and case.<\/p>\n\n\n\n<p><strong>Q: Will I be hospitalized if Mitral Regurgitation is found?<\/strong><br\/>\nMany people are diagnosed and followed as outpatients, especially when findings are mild or symptoms are stable. Hospitalization is more likely when symptoms are severe, when acute Mitral Regurgitation is suspected, or when a procedure is planned. The setting depends on clinical stability and evaluation needs.<\/p>\n\n\n\n<p><strong>Q: Are there activity restrictions with Mitral Regurgitation?<\/strong><br\/>\nRecommendations depend on severity, symptoms, rhythm status, and overall heart function. Some people remain active without limitation, while others may need individualized guidance during evaluation or treatment planning. Clinicians typically tailor recommendations to the specific case.<\/p>\n\n\n\n<p><strong>Q: How much does evaluation or treatment for Mitral Regurgitation cost?<\/strong><br\/>\nCosts vary widely based on location, insurance coverage, facility type, and what testing or procedures are needed. Noninvasive imaging typically differs in cost from transesophageal studies, cardiac MRI, catheter-based procedures, or surgery. Exact costs vary by clinician and case.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mitral Regurgitation is a condition where the mitral valve does not close tightly. This allows some blood to leak backward from the left ventricle into the left atrium. It is commonly identified on echocardiography (heart ultrasound) during cardiac evaluation. Clinicians use the term to describe valve function, severity, and potential impact on the heart.<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-3001","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mitral Regurgitation: Definition, Uses, and Clinical Overview - Best Spine Hospitals<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bestspinehospitals.com\/blog\/mitral-regurgitation-definition-uses-and-clinical-overview\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mitral Regurgitation: Definition, Uses, and Clinical Overview - Best Spine Hospitals\" \/>\n<meta property=\"og:description\" content=\"Mitral Regurgitation is a condition where the mitral valve does not close tightly. This allows some blood to leak backward from the left ventricle into the left atrium. It is commonly identified on echocardiography (heart ultrasound) during cardiac evaluation. 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