July 15, 2020

ECG Telemetry Devices: Digital Future of Neuroscience World

ECG device monitors and record electrical activity of the heart and the device detects and picks up electrical impulses generated by the polarization and depolarization of cardiac tissue and translate them into waveform. This helps physician or cardiologist to diagnose cardiac abnormalities as well as size and position of chambers.

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Electrocardiographs are recorded by machines that consist of a set of electrodes connected to a central unit. Early ECG machines were constructed with analog electronics where the signal drove a motor to print out the signal onto paper.

Today, electrocardiographs use analog-to-digital converters to convert the electrical activity of the heart to a digital signal. Many ECG machines are now portable and commonly include a screen, keyboard, and printer on a small wheeled cart.

Recent advancements in electrocardiography include developing even smaller devices for inclusion in fitness trackers and smart watches. These smaller devices often rely on only two electrodes to deliver a single lead I. Portable six-lead devices are also available.

Recording an ECG is a safe and painless procedure. The machines are powered by mains power but they are designed with several safety features including an earthed (ground) lead. Other features include:

Wireless ambulatory ECG

Wireless ambulatory electrocardiography (ECG) is a type of ambulatory electrocardiography with recording devices that use wireless technology, such as Bluetooth and smartphones, for at-home cardiac monitoring (monitoring of heart rhythms). These devices are generally recommended to people who have been previously diagnosed with arrhythmias and want to have them monitored, or for those who have suspected arrhythmias and need to be monitored over an extended period of time in order to be diagnosed.

Wireless Ambulatory ECGs work in a way similar to a regular ECG by measuring the electrical potential of the heart through the skin. The data is saved on an application on a Smart Phone, and then uploaded to a computer through Bluetooth or Cloud technologies.

The information can also be sent through these technologies or through email to a doctor or cardiac technician. Wireless Ambulatory ECGs are able to provide voice alarm messages when cardiac abnormalities occur, such as bradycardia, and can record this information and provide a screen prompt for the patient to view the data.

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.


The ECG telemetry devices market is driving due to the growing government interventions to reform healthcare sector. Moreover, technologic advances and increasing government interventions to render quality medical devices at an affordable price demand for miniature and telemetry devices have grown tremendously in past couple of years.


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