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|Title:||Valsalva using a syringe: pressure and variation.|
|Authors:||Thornton, Hilary Sarah|
Elwan, Mohammed H.
Reynolds, Joseph A
Coats, Timothy J.
|Publisher:||BMJ Publishing Group Ltd and the College of Emergency Medicine|
|Citation:||Emergency Medicine Journal, 2016, 33 (10), pp. 748-749|
|Abstract:||BACKGROUND: The Valsalva manoeuvre is commonly used in EDs to terminate supraventricular tachycardia by the patient blowing into a syringe. AIM: To identify whether a specific syringe size can be recommended for use in the ED. RESULTS: 20% of syringes 'stuck' and required high pressures to move. In the remaining 80% of syringes, a 20 mL syringe was the most appropriate size to achieve the recommended 40 mm Hg. Once 'released' plunger position did not make a difference. CONCLUSIONS: Use of a syringe of any size cannot be recommended if a consistent pressure is required.|
|Rights:||Copyright © BMJ Publishing Group Ltd and the College of Emergency Medicine, 2016. This version of the article is distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/ ), which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.|
|Appears in Collections:||Published Articles, Dept. of Cardiovascular Sciences|
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