Line spread test viscosity9/2/2023 ![]() According to the IDDSI, the thickness of a drink can be tested by measuring the amount that pours out of a 10ml syringe in 10 seconds. There are several levels of consistency/viscosity and these have historically varied by country, although the launch of the International Dysphagia Diet Standardisation Initiative (IDDSI) aims to remove this variation. Liquid thickness may be measured by two methods, with a viscometer or by line spread test. Patients may be advised to consume thickened liquids after being extubated. Individuals with difficulty swallowing may find that liquids cause coughing, spluttering, or even aspiration, and that thickening drinks enables them to swallow safely. The thicker consistency makes it less likely that individuals will aspirate while they are drinking. Thickened fluids and thickened drinks are often used for people with dysphagia, a disorder of swallowing function. JSTOR ( August 2018) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. ![]() This article needs additional citations for verification.
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