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	<updated>2026-05-13T21:39:08Z</updated>
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	<entry>
		<id>https://wikem.org/w/index.php?title=EBQ:Incidence_and_predictors_of_difficult_and_impossible_mask_ventilation&amp;diff=15396</id>
		<title>EBQ:Incidence and predictors of difficult and impossible mask ventilation</title>
		<link rel="alternate" type="text/html" href="https://wikem.org/w/index.php?title=EBQ:Incidence_and_predictors_of_difficult_and_impossible_mask_ventilation&amp;diff=15396"/>
		<updated>2013-12-22T15:46:35Z</updated>

		<summary type="html">&lt;p&gt;Dipeshpatelmd: corrected a previously-incorrect CME question&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{JC info&lt;br /&gt;
| title=Incidence and predictors of difficult and impossible mask ventilation.&lt;br /&gt;
| abbreviation= Incidence and predictors of difficult and impossible mask ventilation.&lt;br /&gt;
| expansion=Incidence and predictors of difficult and impossible mask ventilation.&lt;br /&gt;
| published=2006&lt;br /&gt;
| author=Kheterpal S. et al&lt;br /&gt;
| journal= Anesthesiology&lt;br /&gt;
| year=2006&lt;br /&gt;
| volume=105&lt;br /&gt;
| issue=5&lt;br /&gt;
| pages=885-891&lt;br /&gt;
| pmid= 17065880&lt;br /&gt;
| fulltexturl=http://journals.lww.com/anesthesiology/Fulltext/2006/11000/Incidence_and_Predictors_of_Difficult_and.7.aspx&lt;br /&gt;
| pdfurl=http://pdfs.journals.lww.com/anesthesiology/2006/11000/Incidence_and_Predictors_of_Difficult_and.7.pdf&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Clinical Question==&lt;br /&gt;
&lt;br /&gt;
==Conclusion==&lt;br /&gt;
&lt;br /&gt;
==Design==&lt;br /&gt;
&lt;br /&gt;
==Population Studied== &lt;br /&gt;
===Inclusion Criteria===&lt;br /&gt;
&lt;br /&gt;
===Exclusion Criteria===&lt;br /&gt;
&lt;br /&gt;
===Baseline Characteristics===&lt;br /&gt;
&lt;br /&gt;
==Interventions== &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Outcomes==&lt;br /&gt;
===Primary Outcomes=== &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Secondary Outcomes===&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Tertiary Outcomes==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Discussion==&lt;br /&gt;
&lt;br /&gt;
===Criticism===&lt;br /&gt;
&lt;br /&gt;
==Funding==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Related Publications==&lt;br /&gt;
&lt;br /&gt;
==CME==&lt;br /&gt;
&amp;lt;quiz display=simple&amp;gt;&lt;br /&gt;
{The following factors were found to predict a grade 3 or 4 level of difficulty with mask ventilation&lt;br /&gt;
|type=&amp;quot;[]&amp;quot;}&lt;br /&gt;
&lt;br /&gt;
- beard&lt;br /&gt;
- history of snoring&lt;br /&gt;
- age&amp;gt;70&lt;br /&gt;
- BMI greater than or equal to 26&lt;br /&gt;
- beard and age &amp;gt; 70&lt;br /&gt;
+ beard, history of snoring, and  BMI&amp;gt;30&lt;br /&gt;
|| A BMI greater than equal to 26 was previously thought to predict difficulty with mask ventilation. &lt;br /&gt;
&lt;br /&gt;
{Patients categorised as having impossible mask ventilation are usually not intubatable&lt;br /&gt;
|type=&amp;quot;()&amp;quot;}&lt;br /&gt;
&lt;br /&gt;
+false&lt;br /&gt;
-true&lt;br /&gt;
|| The overwhelming majory of patients categorised as impossible mask ventilations were successfuly intubated in the study (despite the association with a difficult intubation)&lt;br /&gt;
&lt;br /&gt;
{Thyromental distance &amp;lt; 6cm was associated with difficult mask ventilation:&lt;br /&gt;
|type=&amp;quot;()&amp;quot;}&lt;br /&gt;
+True &lt;br /&gt;
-False&lt;br /&gt;
&amp;lt;/quiz&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;references/&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:EBQ]][[Category:Airway/Resus]]&lt;/div&gt;</summary>
		<author><name>Dipeshpatelmd</name></author>
	</entry>
	<entry>
		<id>https://wikem.org/w/index.php?title=EBQ:Incidence_and_predictors_of_difficult_and_impossible_mask_ventilation&amp;diff=15395</id>
		<title>EBQ:Incidence and predictors of difficult and impossible mask ventilation</title>
		<link rel="alternate" type="text/html" href="https://wikem.org/w/index.php?title=EBQ:Incidence_and_predictors_of_difficult_and_impossible_mask_ventilation&amp;diff=15395"/>
		<updated>2013-12-22T15:44:55Z</updated>

		<summary type="html">&lt;p&gt;Dipeshpatelmd: added CME questions&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{JC info&lt;br /&gt;
| title=Incidence and predictors of difficult and impossible mask ventilation.&lt;br /&gt;
| abbreviation= Incidence and predictors of difficult and impossible mask ventilation.&lt;br /&gt;
| expansion=Incidence and predictors of difficult and impossible mask ventilation.&lt;br /&gt;
| published=2006&lt;br /&gt;
| author=Kheterpal S. et al&lt;br /&gt;
| journal= Anesthesiology&lt;br /&gt;
| year=2006&lt;br /&gt;
| volume=105&lt;br /&gt;
| issue=5&lt;br /&gt;
| pages=885-891&lt;br /&gt;
| pmid= 17065880&lt;br /&gt;
| fulltexturl=http://journals.lww.com/anesthesiology/Fulltext/2006/11000/Incidence_and_Predictors_of_Difficult_and.7.aspx&lt;br /&gt;
| pdfurl=http://pdfs.journals.lww.com/anesthesiology/2006/11000/Incidence_and_Predictors_of_Difficult_and.7.pdf&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Clinical Question==&lt;br /&gt;
&lt;br /&gt;
==Conclusion==&lt;br /&gt;
&lt;br /&gt;
==Design==&lt;br /&gt;
&lt;br /&gt;
==Population Studied== &lt;br /&gt;
===Inclusion Criteria===&lt;br /&gt;
&lt;br /&gt;
===Exclusion Criteria===&lt;br /&gt;
&lt;br /&gt;
===Baseline Characteristics===&lt;br /&gt;
&lt;br /&gt;
==Interventions== &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Outcomes==&lt;br /&gt;
===Primary Outcomes=== &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Secondary Outcomes===&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Tertiary Outcomes==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Discussion==&lt;br /&gt;
&lt;br /&gt;
===Criticism===&lt;br /&gt;
&lt;br /&gt;
==Funding==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Related Publications==&lt;br /&gt;
&lt;br /&gt;
==CME==&lt;br /&gt;
&amp;lt;quiz display=simple&amp;gt;&lt;br /&gt;
{The following factors were found to predict a grade 3 or 4 level of difficulty with mask ventilation&lt;br /&gt;
|type=&amp;quot;[]&amp;quot;}&lt;br /&gt;
&lt;br /&gt;
- beard&lt;br /&gt;
- history of snoring&lt;br /&gt;
- age&amp;gt;70&lt;br /&gt;
- BMI greater than or equal to 26&lt;br /&gt;
- beard and age &amp;gt; 70&lt;br /&gt;
+ beard, history of snoring, and  BMI&amp;gt;30&lt;br /&gt;
|| A BMI greater than equal to 26 was previously thought to predict difficulty with mask ventilation. &lt;br /&gt;
&lt;br /&gt;
{Patients categorised as having impossible mask ventilation are usually not intubatable&lt;br /&gt;
|type=&amp;quot;()&amp;quot;}&lt;br /&gt;
&lt;br /&gt;
- false&lt;br /&gt;
+true&lt;br /&gt;
|| The overwhelming majory of patients categorised as impossible mask ventilations were successfuly intubated (despite the association with a difficult intubation)&lt;br /&gt;
&lt;br /&gt;
{Thyromental distance &amp;lt; 6cm was associated with difficult mask ventilation:&lt;br /&gt;
|type=&amp;quot;()&amp;quot;}&lt;br /&gt;
+True &lt;br /&gt;
-False&lt;br /&gt;
&amp;lt;/quiz&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;references/&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:EBQ]][[Category:Airway/Resus]]&lt;/div&gt;</summary>
		<author><name>Dipeshpatelmd</name></author>
	</entry>
	<entry>
		<id>https://wikem.org/w/index.php?title=EBQ:Incidence_and_predictors_of_difficult_and_impossible_mask_ventilation&amp;diff=15394</id>
		<title>EBQ:Incidence and predictors of difficult and impossible mask ventilation</title>
		<link rel="alternate" type="text/html" href="https://wikem.org/w/index.php?title=EBQ:Incidence_and_predictors_of_difficult_and_impossible_mask_ventilation&amp;diff=15394"/>
		<updated>2013-12-22T15:32:34Z</updated>

		<summary type="html">&lt;p&gt;Dipeshpatelmd: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{JC info&lt;br /&gt;
| title=Incidence and predictors of difficult and impossible mask ventilation.&lt;br /&gt;
| abbreviation= Incidence and predictors of difficult and impossible mask ventilation.&lt;br /&gt;
| expansion=Incidence and predictors of difficult and impossible mask ventilation.&lt;br /&gt;
| published=2006&lt;br /&gt;
| author=Kheterpal S. et al&lt;br /&gt;
| journal= Anesthesiology&lt;br /&gt;
| year=2006&lt;br /&gt;
| volume=105&lt;br /&gt;
| issue=5&lt;br /&gt;
| pages=885-891&lt;br /&gt;
| pmid= 17065880&lt;br /&gt;
| fulltexturl=http://journals.lww.com/anesthesiology/Fulltext/2006/11000/Incidence_and_Predictors_of_Difficult_and.7.aspx&lt;br /&gt;
| pdfurl=http://pdfs.journals.lww.com/anesthesiology/2006/11000/Incidence_and_Predictors_of_Difficult_and.7.pdf&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Clinical Question==&lt;br /&gt;
&lt;br /&gt;
==Conclusion==&lt;br /&gt;
&lt;br /&gt;
==Design==&lt;br /&gt;
&lt;br /&gt;
==Population Studied== &lt;br /&gt;
===Inclusion Criteria===&lt;br /&gt;
&lt;br /&gt;
===Exclusion Criteria===&lt;br /&gt;
&lt;br /&gt;
===Baseline Characteristics===&lt;br /&gt;
&lt;br /&gt;
==Interventions== &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Outcomes==&lt;br /&gt;
===Primary Outcomes=== &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Secondary Outcomes===&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Tertiary Outcomes==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Discussion==&lt;br /&gt;
&lt;br /&gt;
===Criticism===&lt;br /&gt;
&lt;br /&gt;
==Funding==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Related Publications==&lt;br /&gt;
&lt;br /&gt;
==CME==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;references/&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:EBQ]][[Category:Airway/Resus]]&lt;/div&gt;</summary>
		<author><name>Dipeshpatelmd</name></author>
	</entry>
</feed>