Key result
Novel compact single-lead ECG device accurately detects over 20 distinct simulated arrhythmias in real time.
Why the study?
Arrhythmia occurs frequently during anesthesia and surgery and requires reliable detection to prevent cardiovascular complications.
A compact, Bluetooth-enabled ECG device was successfully developed and validated against an ECG simulator to display various arrhythmias.
Compact ECG prototype for arrhythmia detection during anesthesia; leaves open clinical utility pending prospective validation.
Arrhythmia is the irregularity in normal heart rhythm which may lead to cardiovascular diseases like heart attack, blood pressure and stroke.Cardiac arrhythmia occurs in up to 86% of patients during anesthesia and surgery.So it is considerably important to detect these arrhythmia.In present work, Ventricular Tachycardia (VT), Atrial Fibrillation (AF), Left Bundle Branch Block (LBBB) and Right Bundle Branch Block (RBBB) have been displayed on CRO from the ECG device.The device is made compact by the use of surface mount device (SMD) technology.The developed device consists of hardware design with AD8232 for ECG extraction, with a gain of 100.Microcontroller to convert analog signal from AD8232 to digital form.Microcontroller is programmed using embedded C language in Atmel studio-7.0version for ADC (Analog to Digital conversion) conversion, GPIO (General Purpose Input Output) and wireless Bluetooth transmission through UART communication.Bluetooth is used to transfer ECG data into the PC.The arrhythmia conditions were given from the ECG simulator to the developed device.The output was tapped from the developed ECG board and displayed on the CRO.The device has been tested for more than 20 arrhythmia conditions and it was able to display all the conditions on the CRO.
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B A Abhiranjini (2019) studied Cardiac Arrhythmias. Compact Real Time ECG Device was evaluated on Detection and display of arrhythmia conditions. The developed compact real-time ECG device successfully detected and displayed over 20 different arrhythmia conditions from a simulator using a single lead position.
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