{"id":2366,"date":"2014-05-26T15:58:02","date_gmt":"2014-05-26T15:58:02","guid":{"rendered":"https:\/\/medicalcriteria.com\/web\/orlvcd\/"},"modified":"2025-05-13T20:27:23","modified_gmt":"2025-05-13T20:27:23","slug":"orlvcd","status":"publish","type":"post","link":"https:\/\/medicalcriteria.com\/web\/orlvcd\/","title":{"rendered":"Diagnostic Criteria for the Classification of Vocal Cord Dysfunction (VCD)"},"content":{"rendered":"<div class=\"99c380e4b4a7b96c35d7ddf7dcb434e8\" data-index=\"1\" style=\"float: none; margin:0px 0 0px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- MC 2019- Horizontal -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-0127150553352455\"\r\n     data-ad-slot=\"3806776041\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Vocal cord dysfunction (VCD) is a syndrome characterized by paroxysms of glottic obstruction\u00a0<span style=\"line-height: 1.3em;\">due to true vocal cord adduction resulting in symptoms such as dyspnea and noisy breathing. <\/span><br \/>\n<!--more--><br \/>\n<strong>Diagnostic Criteria for <\/strong><span style=\"line-height: 1.3em;\"><strong>Vocal Cord Dysfunction (VCD)<\/strong><\/span><br \/>\nClinical symptoms<\/p>\n<ul>\n<li><span style=\"line-height: 1.3em;\">Prolonged symptoms<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">Recurrent, intermittent episodes<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">Shortness of breath<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">Upper airway stridor or wheezing<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">Reproducible causative or inciting factor<\/span><\/li>\n<\/ul>\n<p>Laryngoscopy<\/p>\n<ul>\n<li><span style=\"line-height: 1.3em;\">Adduction of vocal cords during inspiration <\/span><span style=\"line-height: 1.3em;\">or both inspiration and expiration<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">&gt; 50% Closure of cords<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">Intermittent findings<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">May be normal when asymptomatic<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">May normalize with vocalization<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">\u201cPosterior chinking\u201d &#8211; variable finding<\/span><\/li>\n<\/ul>\n<p>PFT (criteria for\u00a0<span style=\"line-height: 1.3em;\">suspected VCD)<\/span><\/p>\n<ul>\n<li><span style=\"line-height: 1.3em;\">Normal spirometry (no response to <\/span><span style=\"line-height: 1.3em;\">bronchodilator)<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">Negative bronchoprovocation testing<\/span><\/li>\n<li><span style=\"line-height: 1.3em;\">Abnormal (truncated or flattened) inspiratory <\/span><span style=\"line-height: 1.3em;\">FVL<\/span><\/li>\n<\/ul>\n<p>FVL = flow volume loop; PFT = pulmonary function testing<\/p>\n<p>&nbsp;<\/p>\n<p><strong>References:<\/strong><\/p>\n<ol>\n<li><span style=\"line-height: 1.3em;\">Morris MJ, Christopher KL. Diagnostic criteria for the classification of vocal cord dysfunction. Chest. 2010 Nov;138(5):1213-23. <\/span><a style=\"line-height: 1.3em;\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21051397\/\" target=\"_blank\" rel=\"noopener noreferrer\">[Medline]<\/a><\/li>\n<li><span style=\"line-height: 1.3em;\">Deckert J, Deckert L. Vocal cord dysfunction. Am Fam Physician. 2010 Jan 15;81(2):156-9. <\/span><a style=\"line-height: 1.3em;\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/20082511\/\" target=\"_blank\" rel=\"noopener noreferrer\">[Medline]<\/a><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>Created Aug 25, 2014.<\/p>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Sorry, this entry is only available in Espa\u00f1ol.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[139],"tags":[167,930,16,15,929,14,13,928,927,926,931],"class_list":["post-2366","post","type-post","status-publish","format-standard","hentry","category-otolaryngology","tag-classification","tag-cord","tag-criteria","tag-criterios","tag-cuerdas","tag-diagnostic","tag-diagnostico","tag-dysfunction","tag-vcd","tag-vocal","tag-vocales"],"modified_by":"Guillermo Firman","_links":{"self":[{"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts\/2366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/comments?post=2366"}],"version-history":[{"count":4,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts\/2366\/revisions"}],"predecessor-version":[{"id":9281,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts\/2366\/revisions\/9281"}],"wp:attachment":[{"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/media?parent=2366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/categories?post=2366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/tags?post=2366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}