Cardiac rhythm management devices. Symbols to be used with cardiac rhythm management device labels, and information to be supplied. General requirements has-tracked-changes or nomenclature

or nomenclature

coupling attenuation

In conjunction with EN 1455‑1

and maintenance of central heating systems

— weather decks and non-weathertight spaces on ships and marine structures

Cardiac rhythm management devices. Symbols to be used with cardiac rhythm management device labels, and information to be supplied. General requirements has-tracked-changes or nomenclature1 Scope This International Standard specifies requirements for the use of symbols conveying information on the safe and effective use of cardiac rhythm management medical devices. Table 1 gives a list of existing symbols that comply with the requirements of this International Standard. This International Standard is applicable to, and limited to, symbols for cardiac rhythm management medical devices that can be marketed globally. These symbols can be