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Blood pressure monitors

Blood pressure monitorBlood pressure (BP) monitor is a device used for measuring blood pressure. Some of the measuring units or gauges of the BP monitors may contain mercury.

There are 2 types of monitors:

  1. Manual BP monitors:

    • Mercury gauge - The mercury gauge monitor looks similar to a thermometer. It is usually a tall cylinder with measurement markings like you would see on a thermometer. It contains a silver liquid that moves up and down the tube in the form of a line or as a floating ball. This type does contain mercury. 
    • Aneroid gauge - The aneroid monitors do not contain any liquid and do not contain mercury. The round gauge has a dial on it that points at a number related to your blood pressure.

  2. Digital BP monitors are electronic monitors and do not contain mercury.