Preparation & administration
Dead space
Also known as: dead volume · residual volume
The liquid left in the syringe hub and needle after the plunger is fully depressed.
In plain terms
On small doses, dead space is a proportionally large loss. A low-dead-space syringe with a fixed needle retains only a few microlitres; a detachable-needle syringe can hold thirty or more, which matters when the whole dose is a tenth of a millilitre.
Guides that use this term
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Educational reference only. Pepperz does not provide medical advice, diagnosis, treatment, prescribing guidance, or dosing recommendations.