An arm support for blood pressure monitoring, including an adjustable-height stand comprising a plurality of legs that support an upwardly-extending post that lies along a longitudinal post axis, wherein the legs are configured to be collapsed and deployed relative to the post, wherein when the legs are deployed they are spaced radially from the bottom end of the post and their ends are spaced from the post axis, and when the legs are collapsed their ends move closer to the post axis, an arm-supporting saddle that is carried at the top of the post, wherein the saddle has an upper arm-support surface that is configured to support an arm of a user at around the elbow region, and wherein the top of the post is adjustable in height relative to the legs, to allow the saddle to be positioned at an appropriate height such that the user's arm when supported by the saddle is in a horizontal position.