{"id":2883,"date":"2020-05-25T23:02:58","date_gmt":"2020-05-26T06:02:58","guid":{"rendered":"https:\/\/up.physicaldiagnosispdx.com\/up\/?page_id=2883"},"modified":"2021-12-21T12:21:16","modified_gmt":"2021-12-21T20:21:16","slug":"physiologically-split-s2","status":"publish","type":"page","link":"https:\/\/up.physicaldiagnosispdx.com\/up\/cardiology-multimedia-new\/physiologically-split-s2\/","title":{"rendered":"Physiologically Split S2"},"content":{"rendered":"<div class=\"wpb-content-wrapper\">[vc_row css=&#8221;.vc_custom_1592007926484{background-color: #fff9f9 !important;}&#8221;][vc_column][vc_column_text]<span style=\"font-size: 14pt; font-family: arial, helvetica, sans-serif;\">Normally the higher pressure left -sided valves close first (mitral before tricuspid, aortic before pulmonic). This discordance is exaggerated by inspiration, allowing the human ear to perceive two distinct sounds. During inspiration, intrathoracic pressure drops and augments RV filling. As a result, more time is required for the RV to pump the higher volume of blood into the pulmonary artery, thus delaying pulmonic valve closure.<\/span><br \/>\n<figure id=\"attachment_1658\" aria-describedby=\"caption-attachment-1658\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/up.physicaldiagnosispdx.com\/up\/cardiology-2\/card-tutorial\/#Physiologically_Split_S2\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-1658 size-thumbnail\" src=\"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-content\/uploads\/iconfinder_3_1250308-150x150.png\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-content\/uploads\/iconfinder_3_1250308-150x150.png 150w, https:\/\/up.physicaldiagnosispdx.com\/up\/wp-content\/uploads\/iconfinder_3_1250308-300x300.png 300w, https:\/\/up.physicaldiagnosispdx.com\/up\/wp-content\/uploads\/iconfinder_3_1250308.png 512w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><figcaption id=\"caption-attachment-1658\" class=\"wp-caption-text\">&nbsp;<\/figcaption><\/figure>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]\n<h1>Patient 1:<\/h1>\n<p><span style=\"font-size: 14pt;\">This young patient was admitted to the hospital with sepsis related to intravenous drug use. She was noted to have a physiologically split S2. Notice how the second heart splits into two distinct sounds when she breaths in.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1592007945997{background-color: #dcd9dd !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text]\n<p style=\"text-align: center;\"><strong><span style=\"font-size: 18pt;\">Physiologically Split S2<\/span><\/strong><br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/463362643?loop=1 \" width=\"640\" height=\"291\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\">&amp;amp;amp;lt;span data-mce-type=&#8221;bookmark&#8221; style=&#8221;display: inline-block; width: 0px; overflow: hidden; line-height: 0;&#8221; class=&#8221;mce_SELRES_start&#8221;&amp;amp;amp;gt;\ufeff&amp;amp;amp;lt;\/span&amp;amp;amp;gt;<\/iframe>[\/vc_column_text][vc_column_text][\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text]\n<p style=\"text-align: center;\"><strong><span style=\"font-size: 18pt;\">Annotated<\/span><\/strong><br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/463373343?loop=1 \" width=\"640\" height=\"291\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\">&amp;amp;lt;span data-mce-type=&#8221;bookmark&#8221; style=&#8221;display: inline-block; width: 0px; overflow: hidden; line-height: 0;&#8221; class=&#8221;mce_SELRES_start&#8221;&amp;amp;gt;\ufeff&amp;amp;lt;\/span&amp;amp;gt;&amp;amp;amp;lt;span data-mce-type=&#8221;bookmark&#8221; style=&#8221;display: inline-block; width: 0px; overflow: hidden; line-height: 0;&#8221; class=&#8221;mce_SELRES_start&#8221;&amp;amp;amp;gt;\ufeff&amp;amp;amp;lt;\/span&amp;amp;amp;gt;<\/iframe>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]\n<h1>Patient 2:<\/h1>\n<p><span style=\"font-size: 14pt;\">A young man was admitted to the hospital with pancytopenia and was found to have acute lymphocytic leukemia. He was noted to have a physiologically split S2.<\/span>[\/vc_column_text][vc_column_text][\/vc_column_text][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1592007959877{background-color: #dcd9dd !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text]\n<p style=\"text-align: center;\"><strong><span style=\"font-size: 18pt;\">Physiologically Split S2<\/span><\/strong><br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/463362594?loop=1\" width=\"640\" height=\"291\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\">&amp;amp;lt;span data-mce-type=&#8221;bookmark&#8221; style=&#8221;display: inline-block; width: 0px; overflow: hidden; line-height: 0;&#8221; class=&#8221;mce_SELRES_start&#8221;&amp;amp;gt;\ufeff&amp;amp;lt;\/span&amp;amp;gt;&amp;amp;amp;lt;span data-mce-type=&#8221;bookmark&#8221; style=&#8221;display: inline-block; width: 0px; overflow: hidden; line-height: 0;&#8221; class=&#8221;mce_SELRES_start&#8221;&amp;amp;amp;gt;\ufeff&amp;amp;amp;lt;\/span&amp;amp;amp;gt;<\/iframe>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text]\n<p style=\"text-align: center;\"><strong><span style=\"font-size: 18pt;\">Annotated<\/span><\/strong><br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/463373238?loop=1\" width=\"640\" height=\"291\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\">&amp;amp;lt;span data-mce-type=&#8221;bookmark&#8221; style=&#8221;display: inline-block; width: 0px; overflow: hidden; line-height: 0;&#8221; class=&#8221;mce_SELRES_start&#8221;&amp;amp;gt;\ufeff&amp;amp;lt;\/span&amp;amp;gt;<\/iframe>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]\n<h1>Patient 3:<\/h1>\n<p><span style=\"font-size: 14pt;\">This patient has a physiologically split S2. (**This video has an extra sound in it and will need be re-rendered)<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1592007972373{background-color: #dcd9dd !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text]\n<p><iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/463361749?loop=1\" width=\"640\" height=\"291\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\">&lt;span data-mce-type=&#8221;bookmark&#8221; style=&#8221;display: inline-block; width: 0px; overflow: hidden; line-height: 0;&#8221; class=&#8221;mce_SELRES_start&#8221;&gt;\ufeff&lt;\/span&gt;<\/iframe><\/p>\n[\/vc_column_text][vc_column_text][\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]\n<h1>Patient 4:<\/h1>\n<p><span style=\"font-size: 14pt;\">This is a young woman who was admitted to the hospital with soft tissue infections related to intravenous drug abuse; she was found to have a physiologically split S2.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1592017173859{background-color: #dcd9dd !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text]\n<div style=\"padding: 45.46% 0 0 0; position: relative;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" title=\"PhysiologicallySplitS3_4\" src=\"https:\/\/player.vimeo.com\/video\/620891412?h=2467e7505d&amp;badge=0&amp;autopause=0&amp;player_id=0&amp;app_id=58479\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<p><script src=\"https:\/\/player.vimeo.com\/api\/player.js\"><\/script>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text]\n<div style=\"padding: 45.46% 0 0 0; position: relative;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" title=\"Annotated_PhysiologicallySplitS3_4\" src=\"https:\/\/player.vimeo.com\/video\/620891204?h=96a144a2a1&amp;badge=0&amp;autopause=0&amp;player_id=0&amp;app_id=58479\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<p><script src=\"https:\/\/player.vimeo.com\/api\/player.js\"><\/script>[\/vc_column_text][\/vc_column][\/vc_row]\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row css=&#8221;.vc_custom_1592007926484{background-color: #fff9f9 !important;}&#8221;][vc_column][vc_column_text]Normally the higher pressure left -sided valves close first (mitral before tricuspid, aortic before pulmonic). This discordance is exaggerated by inspiration, allowing the human ear to perceive two distinct sounds. During inspiration, intrathoracic pressure drops and augments RV filling. As a result, more time is required for<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":3164,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"page-templates\/page_PDXPDX-full-width.php","meta":{"nf_dc_page":"","_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"class_list":["post-2883","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-json\/wp\/v2\/pages\/2883","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-json\/wp\/v2\/comments?post=2883"}],"version-history":[{"count":3,"href":"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-json\/wp\/v2\/pages\/2883\/revisions"}],"predecessor-version":[{"id":10948,"href":"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-json\/wp\/v2\/pages\/2883\/revisions\/10948"}],"up":[{"embeddable":true,"href":"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-json\/wp\/v2\/pages\/3164"}],"wp:attachment":[{"href":"https:\/\/up.physicaldiagnosispdx.com\/up\/wp-json\/wp\/v2\/media?parent=2883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}