{"id":4076,"date":"2022-08-08T01:36:41","date_gmt":"2022-08-08T05:36:41","guid":{"rendered":"https:\/\/aafa.org\/spirometry\/"},"modified":"2025-10-07T13:53:15","modified_gmt":"2025-10-07T17:53:15","slug":"spirometry","status":"publish","type":"page","link":"https:\/\/aafa.org\/asthma\/asthma-diagnosis\/lung-function-tests-diagnose-asthma\/spirometry\/","title":{"rendered":"Spirometry"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Asthma T-Hero Section&#8221; module_class=&#8221;hero tert&#8221; _builder_version=&#8221;4.18.0&#8243; _module_preset=&#8221;default&#8221; background_image=&#8221;https:\/\/aafa.org\/wp-content\/uploads\/2022\/07\/AAFA-Website_Tertiary_Asthma.jpg&#8221; background_position=&#8221;top_right&#8221; custom_padding=&#8221;1%||1%||true|false&#8221; global_module=&#8221;2247&#8243; saved_tabs=&#8221;all&#8221; collapsed=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; background_enable_image=&#8221;off&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;bottom_left&#8221; background_horizontal_offset=&#8221;0%&#8221; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;2%||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text admin_label=&#8221;Nav Parent Title&#8221; module_class=&#8221;tert-parent&#8221; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; header_2_font=&#8221;|600|||||||&#8221; header_2_text_align=&#8221;left&#8221; header_2_text_color=&#8221;#FFFFFF&#8221; header_2_font_size=&#8221;32px&#8221; custom_margin=&#8221;||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Asthma<\/h2>\n<p>[\/et_pb_text][et_pb_code admin_label=&#8221;Breadcrumbs&#8221; module_class=&#8221;bcrumb&#8221; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; text_orientation=&#8221;left&#8221; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;||||false|false&#8221; custom_css_main_element=&#8221;font-size:16px;||color: #fff;&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Main Content&#8221; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;2%||2%||true|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_post_title meta=&#8221;off&#8221; featured_image=&#8221;off&#8221; admin_label=&#8221;Page Title&#8221; module_class=&#8221;tert-content q&#8221; _builder_version=&#8221;4.18.0&#8243; _module_preset=&#8221;default&#8221; title_font=&#8221;|600|||||||&#8221; title_text_align=&#8221;left&#8221; title_text_color=&#8221;#008c99&#8243; title_font_size=&#8221;39px&#8221; background_enable_image=&#8221;off&#8221; background_size=&#8221;contain&#8221; background_position=&#8221;center_left&#8221; module_alignment=&#8221;left&#8221; custom_margin=&#8221;||0px||false|false&#8221; custom_padding=&#8221;||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_post_title][et_pb_text admin_label=&#8221; Intro Content&#8221; module_class=&#8221;secondary-intro&#8221; _builder_version=&#8221;4.18.0&#8243; _module_preset=&#8221;default&#8221; text_text_color=&#8221;#505050&#8243; text_font_size=&#8221;24px&#8221; text_line_height=&#8221;1.5em&#8221; header_2_font=&#8221;|600|||||||&#8221; header_2_text_color=&#8221;#008c99&#8243; header_2_font_size=&#8221;39px&#8221; custom_margin=&#8221;||3%||false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>A spirometry test is one of the more common type of <a title=\"Lung Function Test\" href=\"\/asthma\/asthma-diagnosis\/lung-functions-tests\/\" target=\"_blank\" rel=\"noopener\">lung function test<\/a> done in a doctor\u2019s office. You blow into a mouthpiece connected to a device, called a spirometer, or to a laptop.<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=&#8221;Page Content&#8221; module_class=&#8221;secondary-intro&#8221; _builder_version=&#8221;4.18.0&#8243; _module_preset=&#8221;default&#8221; text_text_color=&#8221;#505050&#8243; text_line_height=&#8221;1.5em&#8221; header_2_font=&#8221;|600|||||||&#8221; header_2_text_color=&#8221;#008c99&#8243; header_2_font_size=&#8221;39px&#8221; custom_margin=&#8221;||3%||false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Your doctor uses it to test:<\/p>\n<ul>\n<li>How much air you can inhale<\/li>\n<li>How much air you can exhale<\/li>\n<li>How fast you can exhale<\/li>\n<\/ul>\n<p>The results of this test can help your doctor tell if you have asthma or how well your asthma is managed.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3169 alignleft size-medium\" src=\"\/wp-content\/uploads\/2022\/08\/lung-function-test-spirometry-lg-300x210.png\" alt=\"Spirometry Test\" width=\"300\" height=\"210\" \/>Your doctor will give you a mouthpiece connected to a spirometer or a laptop. They will have you take a deep breath and blow air out of your lungs as fast and as hard as you can. You may be asked to repeat the test a few times.<\/p>\n<p>If the results show reduced lung function, your doctor may give you a medicine called a bronchodilator (brahn-ko-DIE-ah-lay-tor). This inhaled medicine opens your airways. After the medicine has had time to work, the doctor will have you take the test again to see if your lung function improves. This helps them make the correct diagnosis.<\/p>\n<p>Your doctor may have you take a spirometry test at each checkup to track changes in your lung function or to see how well your medicines are working.<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=&#8221;Medical Review&#8221; _builder_version=&#8221;4.19.0&#8243; _module_preset=&#8221;default&#8221; text_text_color=&#8221;#505050&#8243; text_font_size=&#8221;16px&#8221; link_text_color=&#8221;#008C99&#8243; link_font_size=&#8221;16px&#8221; header_5_font=&#8221;|600|||||||&#8221; header_5_text_align=&#8221;left&#8221; header_5_text_color=&#8221;#008c99&#8243; custom_margin=&#8221;||3%||false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><small><a title=\"Medical Science Council\" href=\"\/about-aafa\/leadership\/medical-science-council\/\" rel=\"noopener\">Medical Review<\/a> December 2017.<\/small><\/p>\n<p>[\/et_pb_text][et_pb_code admin_label=&#8221;Print&#8221; module_id=&#8221;print&#8221; module_class=&#8221;clearfix&#8221; _builder_version=&#8221;4.17.6&#8243; _module_preset=&#8221;default&#8221; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221; global_module=&#8221;5156&#8243; theme_builder_area=&#8221;post_content&#8221;]<a href=\"https:\/\/aafa.org\/asthma\/asthma-diagnosis\/lung-function-tests-diagnose-asthma\/spirometry\/print\/\" rel=\"nofollow\" title=\"Print post\"><svg class=\"WP-PrintIcon wp-print-icon\" width=\"16\" height=\"16\" viewbox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M6 2h8v4H6z\" \/><path d=\"M3 7h14v7h-3v-3H6v3H3z\" \/><path d=\"M6 12h8v6H6z\" \/><\/svg> Print post<\/a> [\/et_pb_code][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;6%||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text ul_type=&#8221;none&#8221; admin_label=&#8221;Side Nav &#8211; Lung Function Tests&#8221; module_class=&#8221;sidenav&#8221; _builder_version=&#8221;4.18.0&#8243; _module_preset=&#8221;default&#8221; text_text_color=&#8221;#008C99&#8243; text_font_size=&#8221;14px&#8221; link_text_align=&#8221;left&#8221; link_text_color=&#8221;#008C99&#8243; link_font_size=&#8221;16px&#8221; link_line_height=&#8221;1.7em&#8221; ul_text_color=&#8221;#008C99&#8243; ul_font_size=&#8221;16px&#8221; ul_line_height=&#8221;1.7em&#8221; header_4_font=&#8221;|700|||||||&#8221; header_4_text_align=&#8221;left&#8221; header_4_text_color=&#8221;#008C99&#8243; header_4_font_size=&#8221;16px&#8221; header_4_line_height=&#8221;1.7em&#8221; background_color=&#8221;#F5EDDF&#8221; custom_padding=&#8221;6%|6%|6%|6%|true|true&#8221; border_color_top=&#8221;#008C99&#8243; global_module=&#8221;9563&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221; link_text_color__hover_enabled=&#8221;on|hover&#8221; link_text_color__hover=&#8221;#692D87&#8243;]<\/p>\n<h4><a href=\"\/asthma\/asthma-diagnosis\/lung-function-tests-diagnose-asthma\/\">Lung Function Tests<\/a><\/h4>\n<ul>\n<li><a href=\"\/asthma\/asthma-diagnosis\/lung-function-tests-diagnose-asthma\/feno-tests-to-monitor-feno-levels\/\">FeNO Tests\u00a0to Monitor FeNO Levels<\/a><\/li>\n<li><a href=\"\/asthma\/asthma-diagnosis\/lung-function-tests-diagnose-asthma\/peak-flow-meters\/\">Peak Flow Meters<\/a><\/li>\n<li><a href=\"\/asthma\/asthma-diagnosis\/lung-function-tests-diagnose-asthma\/provocation-trigger-tests\/\">Provocation Tests<\/a><\/li>\n<li><a href=\"\/asthma\/asthma-diagnosis\/lung-function-tests-diagnose-asthma\/spirometry\/\">Spirometry<\/a><\/li>\n<\/ul>\n<p>[\/et_pb_text][et_pb_video src=&#8221;https:\/\/www.youtube.com\/watch?v=D0HvxftFDrU&#8221; admin_label=&#8221;YouTube Video&#8221; _builder_version=&#8221;4.18.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_video][et_pb_button button_url=&#8221;\/asthma\/&#8221; button_text=&#8221;Asthma Resources&#8221; button_alignment=&#8221;center&#8221; admin_label=&#8221;Asthma Resources Button&#8221; _builder_version=&#8221;4.18.0&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_use_icon=&#8221;off&#8221; custom_css_main_element=&#8221;width:100%;&#8221; global_module=&#8221;613&#8243; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][et_pb_text admin_label=&#8221;Ask the Allergist&#8221; module_class=&#8221;sidebar-blurb&#8221; _builder_version=&#8221;4.19.0&#8243; _module_preset=&#8221;default&#8221; text_text_color=&#8221;#505050&#8243; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.5em&#8221; link_font=&#8221;|600||on|||||&#8221; link_text_align=&#8221;left&#8221; link_text_color=&#8221;#692d87&#8243; link_font_size=&#8221;16px&#8221; header_4_font=&#8221;|600|||||||&#8221; header_4_text_align=&#8221;left&#8221; header_4_text_color=&#8221;#692d87&#8243; header_4_font_size=&#8221;20px&#8221; background_image=&#8221;https:\/\/aafa.org\/wp-content\/uploads\/2022\/06\/scribble.png&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; global_module=&#8221;8750&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h4>Ask the Allergist<\/h4>\n<p>Have a question on managing asthma or allergies? Our allergist can help.<\/p>\n<p><a href=\"https:\/\/community.aafa.org\/db\/ask-the-allergist\" rel=\"noopener\">Search Our Knowledge Base &gt;<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AsthmaA spirometry test is one of the more common type of lung function test done in a doctor\u2019s office. You blow into a mouthpiece connected to a device, called a [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"parent":115,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"<p>[et_pb_section fb_built=\"1\" admin_label=\"About Hero Section\" _builder_version=\"4.17.5\" _module_preset=\"default\" background_image=\"2723\" background_position=\"center_right\" custom_padding=\"2%||2%||true|false\" hover_enabled=\"0\" global_module=\"1511\" saved_tabs=\"all\" collapsed=\"off\" global_colors_info=\"{}\" alt=\"About AAFA\" title_text=\"AAFA-Website_Secondary_About\" sticky_enabled=\"0\"] [et_pb_row _builder_version=\"4.17.4\" _module_preset=\"default\" background_image=\"2724\" background_size=\"initial\" background_position=\"bottom_left\" background_horizontal_offset=\"0%\" background_vertical_offset=\"-5%\" custom_margin=\"|||0px|false|false\" custom_padding=\"0px||0px||true|false\" global_colors_info=\"{}\"] [et_pb_column type=\"4_4\" _builder_version=\"4.17.4\" _module_preset=\"default\" custom_padding=\"|||5%|false|false\" global_colors_info=\"{}\"][et_pb_post_title meta=\"off\" featured_image=\"off\" admin_label=\"Page Title\" _builder_version=\"4.17.4\" _module_preset=\"default\" title_font=\"|600|||||||\" title_text_color=\"#FFFFFF\" title_font_size=\"62px\" background_enable_image=\"off\" background_size=\"contain\" background_position=\"center_left\" module_alignment=\"left\" custom_margin=\"||0px||false|false\" custom_padding=\"8%||0px||false|false\" global_colors_info=\"{}\"][\/et_pb_post_title][et_pb_code admin_label=\"Breadcrumbs\" module_class=\"bcrumb\" _builder_version=\"4.17.4\" _module_preset=\"default\" text_orientation=\"left\" custom_margin=\"||||false|false\" custom_padding=\"||||false|false\" custom_css_main_element=\"font-size:16px;||color: #fff;\" global_colors_info=\"{}\"][wpseo_breadcrumb][\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\"1\" admin_label=\"Main Content\" _builder_version=\"4.17.4\" _module_preset=\"default\" background_enable_image=\"off\" background_size=\"initial\" background_position=\"bottom_right\" custom_padding=\"2%||2%||true|false\" global_colors_info=\"{}\"][et_pb_row column_structure=\"2_3,1_3\" _builder_version=\"4.17.4\" _module_preset=\"default\" global_colors_info=\"{}\"] [et_pb_column type=\"2_3\" _builder_version=\"4.17.4\" _module_preset=\"default\" global_colors_info=\"{}\"] [et_pb_text admin_label=\"Page Content\" module_class=\"secondary-intro\" _builder_version=\"4.17.4\" _module_preset=\"default\" text_text_color=\"#505050\" text_font_size=\"24px\" text_line_height=\"1.5em\" header_2_font=\"|600|||||||\" header_2_text_color=\"#008c99\" header_2_font_size=\"39px\" custom_margin=\"||3%||false|false\" global_colors_info=\"{}\"]<\/p><div id=\"page\" class=\"page-global\"><div id=\"BodyTextEditor\"><p>A spirometry test is one of the more common type of <a title=\"Lung Function Test\" href=\"\/asthma\/asthma-diagnosis\/lung-functions-tests\/\" target=\"_blank\" rel=\"noopener\">lung function test<\/a> done in a doctor\u2019s office. You blow into a mouthpiece connected to a device, called a spirometer, or to a laptop. Your doctor uses it to test:<\/p><ul><li>How much air you can inhale<\/li><li>How much air you can exhale<\/li><li>How fast you can exhale<\/li><\/ul><p>The results of this test can help your doctor tell if you have asthma or how well your asthma is managed.<\/p><p><img class=\"img-responsive\" src=\"https:\/\/aafa.org\/wp-content\/uploads\/2022\/08\/lung-function-test-spirometry-lg.png\" alt=\"Spirometry Tests for Asthma - lung functions\" \/><\/p><p>Your doctor will give you a mouthpiece connected to a spirometer or a laptop. They will have you take a deep breath and blow air out of your lungs as fast and as hard as you can. You may be asked to repeat the test a few times.<\/p><p>If the results show reduced lung function, your doctor may give you a medicine called a bronchodilator (brahn-ko-DIE-ah-lay-tor). This inhaled medicine opens your airways. After the medicine has had time to work, the doctor will have you take the test again to see if your lung function improves. This helps them make the correct diagnosis.<\/p><p>Your doctor may have you take a spirometry test at each checkup to track changes in your lung function or to see how well your medicines are working.<\/p><p><small><a title=\"Medical Science Council\" href=\"\/about-aafa\/leadership\/medical-science-council\/\" target=\"_blank\" rel=\"noopener\">Medical Review<\/a> December 2017.<\/small><\/p><\/div><\/div><div id=\"BodyTextEditor\"><p>A spirometry test is one of the more common type of <a title=\"Lung Function Test\" href=\"\/asthma\/asthma-diagnosis\/lung-functions-tests\/\" target=\"_blank\" rel=\"noopener\">lung function test<\/a> done in a doctor\u2019s office. You blow into a mouthpiece connected to a device, called a spirometer, or to a laptop. Your doctor uses it to test:<\/p><ul><li>How much air you can inhale<\/li><li>How much air you can exhale<\/li><li>How fast you can exhale<\/li><\/ul><p>The results of this test can help your doctor tell if you have asthma or how well your asthma is managed.<\/p><p><img class=\"img-responsive\" src=\"https:\/\/aafa.org\/wp-content\/uploads\/2022\/08\/lung-function-test-spirometry-lg.png\" alt=\"Spirometry Tests for Asthma - lung functions\" \/><\/p><p>Your doctor will give you a mouthpiece connected to a spirometer or a laptop. They will have you take a deep breath and blow air out of your lungs as fast and as hard as you can. You may be asked to repeat the test a few times.<\/p><p>If the results show reduced lung function, your doctor may give you a medicine called a bronchodilator (brahn-ko-DIE-ah-lay-tor). This inhaled medicine opens your airways. After the medicine has had time to work, the doctor will have you take the test again to see if your lung function improves. This helps them make the correct diagnosis.<\/p><p>Your doctor may have you take a spirometry test at each checkup to track changes in your lung function or to see how well your medicines are working.<\/p><p><small><a title=\"Medical Science Council\" href=\"\/about-aafa\/leadership\/medical-science-council\/\" target=\"_blank\" rel=\"noopener\">Medical Review<\/a> December 2017.<\/small><\/p><\/div><p>[\/et_pb_text] [\/et_pb_column] [et_pb_column type=\"1_3\" _builder_version=\"4.17.4\" _module_preset=\"default\" custom_padding=\"6%||||false|false\" global_colors_info=\"{}\"][et_pb_video src=\"https:\/\/www.youtube.com\/watch?v=aSBUDSqXUks&list=PLrLBy23tjd-J7OzSmi6pn1nssfDcCsHob&index=11\" admin_label=\"YouTube Video\" _builder_version=\"4.17.4\" _module_preset=\"default\" global_colors_info=\"{}\"][\/et_pb_video][et_pb_button button_url=\"\/asthma-allergy-research\/asthma-research\/\" button_text=\"Asthma Research\" button_alignment=\"center\" admin_label=\"Asthma Research Button\" _builder_version=\"4.17.4\" _module_preset=\"default\" custom_button=\"on\" button_use_icon=\"off\" custom_css_main_element=\"width:100%;\" global_module=\"613\" global_colors_info=\"{}\"][\/et_pb_button][et_pb_button button_url=\"\/asthma-allergy-research\/allergy-research\/\" button_text=\"Allergy Research\" button_alignment=\"center\" admin_label=\"Allergy Research Button\" _builder_version=\"4.17.4\" _module_preset=\"default\" custom_button=\"on\" button_bg_color=\"#008c99\" custom_css_main_element=\"width:100%;\" global_module=\"598\" saved_tabs=\"all\" global_colors_info=\"{}\" button_text__hover_enabled=\"off|desktop\"][\/et_pb_button][et_pb_text admin_label=\"Support Our Work Blurb\" module_class=\"sidebar-blurb\" _builder_version=\"4.17.4\" _module_preset=\"default\" text_text_color=\"#505050\" text_font_size=\"16px\" text_line_height=\"1.5em\" link_font=\"|600||on|||||\" link_text_align=\"left\" link_text_color=\"#692d87\" link_font_size=\"16px\" header_4_font=\"|600|||||||\" header_4_text_align=\"left\" header_4_text_color=\"#692d87\" header_4_font_size=\"20px\" background_image=\"2725\" background_size=\"initial\" background_position=\"top_left\" global_module=\"601\" saved_tabs=\"all\" global_colors_info=\"{}\"]<\/p><h4>Support Our Work<\/h4><p>Over the past 15 years, there have been moderate advances in U.S. public policy, health care and research, but racial gaps in asthma outcomes have not changed. Minority groups continue to bear disproportionate hardship in managing asthma.<\/p><p><a href=\"\/get-involved\/make-a-donation\/\" target=\"_blank\" rel=\"noopener\">Donate Today ><\/a><\/p><p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>","_et_gb_content_width":"","footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-4076","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Using Spirometry to Diagnose Asthma | AAFA.org<\/title>\n<meta name=\"description\" content=\"A spirometry test is a common test used to diagnose asthma. 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