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	<id>https://wikimd.org/index.php?action=history&amp;feed=atom&amp;title=Interatrial_foramen</id>
	<title>Interatrial foramen - Revision history</title>
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	<updated>2026-04-27T16:23:58Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wikimd.org/index.php?title=Interatrial_foramen&amp;diff=6510155&amp;oldid=prev</id>
		<title>Prab: CSV import</title>
		<link rel="alternate" type="text/html" href="https://wikimd.org/index.php?title=Interatrial_foramen&amp;diff=6510155&amp;oldid=prev"/>
		<updated>2025-03-17T15:08:29Z</updated>

		<summary type="html">&lt;p&gt;CSV import&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:08, 17 March 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l23&quot;&gt;Line 23:&lt;/td&gt;
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		<author><name>Prab</name></author>
	</entry>
	<entry>
		<id>https://wikimd.org/index.php?title=Interatrial_foramen&amp;diff=6270153&amp;oldid=prev</id>
		<title>Prab: CSV import</title>
		<link rel="alternate" type="text/html" href="https://wikimd.org/index.php?title=Interatrial_foramen&amp;diff=6270153&amp;oldid=prev"/>
		<updated>2025-02-11T02:19:49Z</updated>

		<summary type="html">&lt;p&gt;CSV import&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 02:19, 11 February 2025&lt;/td&gt;
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		<author><name>Prab</name></author>
	</entry>
	<entry>
		<id>https://wikimd.org/index.php?title=Interatrial_foramen&amp;diff=5357515&amp;oldid=prev</id>
		<title>Prab: CSV import</title>
		<link rel="alternate" type="text/html" href="https://wikimd.org/index.php?title=Interatrial_foramen&amp;diff=5357515&amp;oldid=prev"/>
		<updated>2024-03-04T04:01:28Z</updated>

		<summary type="html">&lt;p&gt;CSV import&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Interatrial Foramen&amp;#039;&amp;#039;&amp;#039; is a structure in the [[heart]] that allows communication between the two [[atria]]. It is an essential part of the fetal circulation, but normally closes shortly after birth. &lt;br /&gt;
&lt;br /&gt;
== Anatomy ==&lt;br /&gt;
The interatrial foramen, also known as the [[foramen ovale (heart)|foramen ovale]], is located in the [[septum]] between the right and left atria. It is surrounded by a thin, fibrous ring and is covered by a flap of tissue that acts as a one-way valve, allowing blood to flow from the right atrium to the left, but not in the reverse direction.&lt;br /&gt;
&lt;br /&gt;
== Function ==&lt;br /&gt;
In the [[fetus]], the interatrial foramen allows oxygenated blood from the [[placenta]] to bypass the non-functioning [[lungs]] and go directly to the systemic circulation. This is crucial for fetal survival, as the lungs are not yet capable of oxygenating the blood. After birth, when the lungs begin to function, the pressure in the left atrium increases, causing the flap to close and seal the foramen.&lt;br /&gt;
&lt;br /&gt;
== Clinical significance ==&lt;br /&gt;
In some individuals, the interatrial foramen fails to close completely after birth, a condition known as a [[patent foramen ovale]]. This can potentially allow blood clots to pass from the right side of the heart to the left, bypassing the lungs and leading to a [[stroke]] or other serious complications.&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
* [[Heart]]&lt;br /&gt;
* [[Atria (heart)]]&lt;br /&gt;
* [[Foramen ovale (heart)]]&lt;br /&gt;
* [[Patent foramen ovale]]&lt;br /&gt;
&lt;br /&gt;
== References ==&lt;br /&gt;
&amp;lt;references /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Category:Cardiac anatomy]]&lt;br /&gt;
[[Category:Cardiology]]&lt;br /&gt;
{{anatomy-stub}}&lt;/div&gt;</summary>
		<author><name>Prab</name></author>
	</entry>
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