{"id":829,"date":"2025-01-30T06:43:57","date_gmt":"2025-01-30T06:43:57","guid":{"rendered":"https:\/\/srivastavamriandimagingcentre.com\/blog\/?p=829"},"modified":"2025-02-21T07:01:07","modified_gmt":"2025-02-21T07:01:07","slug":"pft-parameters-understanding-fvc-fev1-and-tlc","status":"publish","type":"post","link":"https:\/\/srivastavamriandimagingcentre.com\/blog\/pft-parameters-understanding-fvc-fev1-and-tlc\/","title":{"rendered":"PFT Parameters: Understanding FVC, FEV1, and TLC"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"829\" class=\"elementor elementor-829\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-19eedf5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"19eedf5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3cb2b2e\" data-id=\"3cb2b2e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f8c05a7 elementor-widget elementor-widget-text-editor\" data-id=\"f8c05a7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pulmonary Function Tests (PFTs) are essential diagnostic tools used to evaluate lung function and diagnose respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and restrictive lung diseases. Among the critical parameters assessed in PFTs are <strong>Forced Vital Capacity (FVC)<\/strong>, <strong>Forced Expiratory Volume in One Second (FEV1)<\/strong>, and <strong>Total Lung Capacity (TLC)<\/strong>. These metrics offer valuable insights into lung health and help guide treatment decisions. If you\u2019re looking for a trusted <a href=\"https:\/\/srivastavamriandimagingcentre.com\/pft.php\"><strong>PFT Test Centre in Delhi<\/strong>, <strong>Srivastava MRI and Imaging Centre<\/strong><\/a> provides accurate testing and expert analysis.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b027316 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b027316\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f13ed97\" data-id=\"f13ed97\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0c411da elementor-widget elementor-widget-heading\" data-id=\"0c411da\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What Are Pulmonary Function Tests?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fc54d6d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fc54d6d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f614460\" data-id=\"f614460\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0dcc746 elementor-widget elementor-widget-text-editor\" data-id=\"0dcc746\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span lang=\"EN-IN\" style=\"font-size: 14.0pt;\">Pulmonary Function Tests are non-invasive procedures that measure how well your lungs work by assessing lung volume, airflow, and gas exchange efficiency. These tests are vital for diagnosing, monitoring, and managing various lung conditions.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e707761 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e707761\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e0c1401\" data-id=\"e0c1401\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f360ccd elementor-widget elementor-widget-heading\" data-id=\"f360ccd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Key PFT Parameters<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3ae4c59 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ae4c59\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ad34dc4\" data-id=\"ad34dc4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0b19205 elementor-widget elementor-widget-text-editor\" data-id=\"0b19205\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5>1. <strong>Forced Vital Capacity (FVC)<\/strong><\/h5><p>FVC represents the maximum amount of air you can exhale forcefully after taking the deepest breath possible.<\/p><ul><li><strong>Significance:<\/strong><br \/>FVC helps identify restrictive lung diseases that limit lung expansion, such as pulmonary fibrosis or interstitial lung disease.<\/li><li><strong>Normal Range:<\/strong><br \/>Values vary based on age, gender, and physical characteristics, but a reduced FVC typically indicates restricted lung function.<\/li><\/ul><h5>2. <strong>Forced Expiratory Volume in One Second (FEV1)<\/strong><\/h5><p>FEV1 measures the volume of air exhaled in the first second of the FVC test.<\/p><ul><li><strong>Significance:<\/strong><br \/>FEV1 is a critical indicator of obstructive lung diseases like asthma and COPD.<\/li><li><strong>FEV1\/FVC Ratio:<\/strong><br \/>This ratio differentiates between obstructive and restrictive lung conditions. A lower ratio usually indicates airway obstruction.<\/li><\/ul><h4>3. <strong>Total Lung Capacity (TLC)<\/strong><\/h4><p>TLC measures the total volume of air in the lungs after taking the deepest possible breath.<\/p><ul><li><strong>Significance:<\/strong><br \/>Abnormal TLC values can indicate restrictive lung diseases (low TLC) or conditions like emphysema, which result in lung hyperinflation (high TLC).<\/li><li><strong>Assessment Method:<\/strong><br \/>TLC is commonly measured using body plethysmography or gas dilution methods, both of which are available at leading diagnostic centres like <a href=\"https:\/\/www.facebook.com\/SrivastavaMRIandImagingCentre.JasolaVihar\"><strong>Srivastava MRI and Imaging Centre<\/strong>.<\/a><\/li><\/ul><p><span style=\"font-size: 16px;\">.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5008687 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5008687\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b46eb7d\" data-id=\"b46eb7d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bcd927d elementor-widget elementor-widget-heading\" data-id=\"bcd927d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Importance of PFT Results<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-13be4d5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"13be4d5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-75174db\" data-id=\"75174db\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-83e7c52 elementor-widget elementor-widget-text-editor\" data-id=\"83e7c52\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h6>Doctors use PFT results to:<\/h6><ul><li>Diagnose conditions like asthma, COPD, or interstitial lung disease.<\/li><li>Monitor disease progression over time.<\/li><li>Evaluate the effectiveness of treatments, including inhalers and medications.<\/li><li>Assess lung function before surgery or other medical interventions.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8fc6525 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8fc6525\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-013d441\" data-id=\"013d441\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3b8ccb1 elementor-widget elementor-widget-heading\" data-id=\"3b8ccb1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why Choose Srivastava MRI and Imaging Centre?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ba1e9eb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ba1e9eb\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a39d944\" data-id=\"a39d944\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ad909c2 elementor-widget elementor-widget-text-editor\" data-id=\"ad909c2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For those seeking a <strong>PFT Test Centre in Delhi<\/strong>, <strong>Srivastava MRI and Imaging Centre<\/strong> offers state-of-the-art diagnostic services and unparalleled patient care. Here\u2019s what sets it apart:<\/p><ul><li><strong>Advanced Technology:<\/strong> Equipped with the latest diagnostic equipment for precise PFT analysis.<\/li><li><strong>Expertise You Can Trust:<\/strong> A team of skilled pulmonologists and technicians ensures accurate testing and interpretation.<\/li><li><strong>Comprehensive Services:<\/strong> Beyond PFT, the centre is a leading <strong>MRI Centre in Delhi<\/strong>, offering a wide range of diagnostic and imaging services.<\/li><li><strong>Patient-Centric Approach:<\/strong> Every patient receives personalised care, ensuring comfort and confidence throughout the testing process.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4168461 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4168461\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9312f33\" data-id=\"9312f33\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0e76d51 elementor-widget elementor-widget-heading\" data-id=\"0e76d51\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">When Should You Get a PFT?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e203b7d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e203b7d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-12969bf\" data-id=\"12969bf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7b84cce elementor-widget elementor-widget-text-editor\" data-id=\"7b84cce\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Your doctor may recommend a PFT if you:<\/p><ul><li>Experience persistent coughing, wheezing, or shortness of breath.<\/li><li>Have a history of smoking or long-term exposure to pollutants.<\/li><li>Need to assess lung function before undergoing surgery.<\/li><li>Show symptoms of chronic respiratory conditions.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-641662f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"641662f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dcd3678\" data-id=\"dcd3678\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a083512 elementor-widget elementor-widget-heading\" data-id=\"a083512\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How to Prepare for a PFT<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-44b904e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"44b904e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-822a3ac\" data-id=\"822a3ac\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d2aba59 elementor-widget elementor-widget-text-editor\" data-id=\"d2aba59\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>To get accurate results, follow these guidelines:<\/p><ol><li><strong>Avoid heavy meals<\/strong> for at least 4 hours before the test.<\/li><li><strong>Refrain from smoking<\/strong> or using inhalers for 24 hours prior (as advised by your doctor).<\/li><li><strong>Inform your doctor<\/strong> about medications you\u2019re currently taking.<\/li><li>Wear loose, comfortable clothing to facilitate easy breathing.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0c98af9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0c98af9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-84b4514\" data-id=\"84b4514\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-57dbfae elementor-widget elementor-widget-heading\" data-id=\"57dbfae\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e1860ec elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e1860ec\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bb6f9c1\" data-id=\"bb6f9c1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b359c0d elementor-widget elementor-widget-text-editor\" data-id=\"b359c0d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Understanding PFT parameters like FVC, FEV1, and TLC is crucial for diagnosing and managing respiratory conditions effectively. These tests provide a detailed evaluation of lung function, helping doctors craft tailored treatment plans to improve patient outcomes.<\/p><p>If you\u2019re in need of a reliable <a href=\"https:\/\/srivastavamriandimagingcentre.com\/pft.php\"><strong>PFT Test Centre in Delhi<\/strong>, <strong>Srivastava MRI and Imaging Centre<\/strong><\/a> is the go-to destination for comprehensive diagnostic services. As a top-tier <strong>MRI Centre in Delhi<\/strong>, it combines advanced technology with expert care to meet all your health needs. Take charge of your respiratory health today by opting for trusted and precise testing services!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Pulmonary Function Tests (PFTs) are essential diagnostic tools used to evaluate lung function and diagnose respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and restrictive lung diseases. Among the critical parameters assessed in PFTs are Forced Vital Capacity (FVC), Forced Expiratory Volume in One Second (FEV1), and Total Lung Capacity (TLC). These metrics [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"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":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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":[115],"tags":[24,16,140],"class_list":["post-829","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mri","tag-best-ct-scan-center-in-delhi","tag-best-mri-center-in-delhi","tag-eeg-test-centre-in-delhi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PFT Parameters: Understanding FVC, FEV1, and TLC<\/title>\n<meta name=\"description\" content=\"Srivastava MRI &amp; Imaging Centre: Your trusted PFT test center in Delhi. 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