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2. Pulse watch - Wikipedia

   en.wikipedia.org/wiki/Pulse_Watch

   Detection can occur in real time or can be saved and stored for later review. The pulse watch measures electrocardiography (ECG or EKG) data while the user is performing tasks, whether it be simple daily tasks or intense physical activity. The pulse watch functions without the use of wires and multiple sensors.

3. Heart rate monitor - Wikipedia

   en.wikipedia.org/wiki/Heart_rate_monitor

   Early models consisted of a monitoring box with a set of electrode leads which attached to the chest. The first wireless EKG heart rate monitor was invented in 1977 by Polar Electro as a training aid for the Finnish National Cross Country Ski team. As "intensity training" became a popular concept in athletic circles in the mid-80s, retail sales ...

4. Smartwatch - Wikipedia

   en.wikipedia.org/wiki/Smartwatch

   A Samsung Galaxy Watch. A smartwatch is a portable wearable computer that resembles a wristwatch.Most modern smartwatches are operated via a touchscreen, and rely on mobile apps that run on a connected device (such as a smartphone) in order to provide core functions.

5. Electrocardiography - Wikipedia

   en.wikipedia.org/wiki/Electrocardiography

   Electrocardiography is the process of producing an electrocardiogram (ECG or EKG [a]), a recording of the heart's electrical activity through repeated cardiac cycles. [4] It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the heart [ 5 ] using electrodes placed on the skin.

6. Holter monitor - Wikipedia

   en.wikipedia.org/wiki/Holter_monitor

   Each Holter system has hardware (called monitor or recorder) for recording the signal, and software for review and analysis of the record. There may be a "patient button" on the front that the patient can press at specific instants such as feeling/being sick, going to bed, taking pills, marking an event of symptoms which is then documented in the symptoms diary, etc.; this records a mark that ...

7. Wireless ambulatory ECG - Wikipedia

   en.wikipedia.org/wiki/Wireless_ambulatory_ecg

   The devices can also store mass amounts of ECG data on the phone, replay the ECG readings at a high speed, and have a low-voltage alarm function to not waste the battery life. These characteristics of the devices are seen as benefits in comparison to current ambulatory ECG monitoring equipment such as the Holter monitor. [3]