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Related Concept Videos

Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

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IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
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Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

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IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
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Mitral Valve Prolapse III: Nursing Management01:19

Mitral Valve Prolapse III: Nursing Management

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The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
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Microsoft Excel: Plotting Mean, SD, and SE01:18

Microsoft Excel: Plotting Mean, SD, and SE

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In Microsoft Excel, plotting the mean along with standard deviation (SD) and standard error (SE) helps visualize data variability and reliability. To plot these values, follow these steps:
First, calculate the mean, SD, and SE of your data. The mean is obtained using the formula `=AVERAGE(range)`, while SD can be calculated with `=STDEV.P(range)` for a population or `=STDEV.S(range)` for a sample. SE is calculated as `=SD/SQRT(n)`, where `n` is the sample size.
To plot these values, use a bar...
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Microsoft Excel: Student's t-Test01:25

Microsoft Excel: Student's t-Test

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Student's t-test in Microsoft Excel is a statistical method used to compare the means of two groups to determine if they are significantly different from each other. It's commonly used to evaluate hypotheses, such as testing whether a treatment has an effect compared to a control group. Excel provides built-in functions to perform t-tests, making it accessible for users needing to conduct basic statistical analysis.
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Microsoft Excel: Pearson's Correlation01:18

Microsoft Excel: Pearson's Correlation

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Microsoft Excel is a powerful tool for statistical analysis, including calculating Pearson's correlation coefficient, which measures the strength and direction of a linear relationship between two continuous variables. Pearson's correlation coefficient, often denoted as "r," ranges from -1 to 1. A value close to 1 indicates a strong positive correlation, meaning as one variable increases, the other does too. A value close to -1 indicates a strong negative correlation, implying...
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Related Experiment Video

Updated: Feb 15, 2026

Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve
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Developing a mitral valve center of excellence.

Ahmed El-Eshmawi, Javier G Castillo, Gilbert H L Tang

    Current Opinion in Cardiology
    |January 13, 2018
    PubMed
    Summary

    Establishing mitral valve centers of excellence is crucial for improving patient outcomes. This review defines the structure and achievable clinical results for these specialized centers, emphasizing mitral repair over replacement.

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    Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
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    An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

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    Area of Science:

    • Cardiovascular Surgery
    • Valvular Heart Disease
    • Medical Guidelines

    Background:

    • Mitral valve repair is superior to replacement for degenerative mitral disease, yet replacement is frequently performed.
    • Guidelines recommend referral to specialized valve centers, but criteria remain undefined.
    • Centers of excellence are vital for achieving optimal mitral valve surgery outcomes.

    Purpose of the Study:

    • To define the structural components of a mitral center of excellence.
    • To review the clinical outcomes achievable in such specialized centers.
    • To provide a framework for establishing high-performing mitral valve reference centers.

    Main Methods:

    • Review of current American College of Cardiology/American Heart Association and European Society of Cardiology/European Association of Cardiothoracic Surgery guidelines.
    • Analysis of established criteria for mitral centers of excellence.
    • Synthesis of clinical outcomes data from high-volume mitral valve surgery centers.

    Main Results:

    • Mitral centers of excellence are defined by high rates of successful and durable mitral repair (>95%) and low operative mortality (<1%).
    • Key components include specialized surgical teams, advanced technology, and robust patient selection protocols.
    • Achievable outcomes include superior long-term durability and reduced morbidity compared to general cardiac surgery centers.

    Conclusions:

    • Mitral valve surgery outcomes are significantly improved at specialized centers of excellence.
    • Defining the structure and function of these centers is essential for guideline implementation.
    • Referral to established mitral centers of excellence should be prioritized for patients with degenerative mitral disease.