Automatic digital-analog impedance plethysmograph
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The document describes an automatic digital-analog impedance plethysmograph that uses electrical impedance to non-invasively measure carotid pulse and blood pressure over the long term. It applies a small device with two electrode pairs around the neck of 6 volunteers to continuously monitor impedance variations at 50Hz, optimizing measurement of carotid pulse for long term cardiac and vascular health monitoring.
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Electrocardiograph is a biomedical device that measures electrical potential generated by
electrical activity that occurs due to the heart’s pumping action. The graphical presentation of the
Electrocardiogram (ECG) can be interpreted so that normal and abnormal rhythms of the heart can be detected
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capture and so are amplified using AD624. Noise from the environment affects the ECG signal. To suppress the
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GSM technology is used to monitor the different parameters of an ICU patient remotely and also control over medicine dosage is provided. Measurements of vital signs and behavioral patterns can be translated into accurate predictors of health risk ,even at an early stage and can be combined with alarm triggering systems in order to initiate the appropriate actions. The conventional methods including wet adhesive Ag/AgCl electrodes for HR and HRV, the capnograph device for respiratory status and pulse oximetry for oxyhemoglobin saturation provide excellent signals but are expensive, troublesome and inconvenient. A method to monitor physiological information based on GSM offers a new means for health monitoring. In this paper, we review the latest developments in monitoring and discuss the challenges and future directions for this field. Multi-Parameter Measurement of ICU Patient Using GSM and Embedded Technology
Multi-Parameter Measurement of ICU Patient Using GSM and Embedded TechnologyInternational Journal of Engineering Inventions www.ijeijournal.com
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electrical activity that occurs due to the heart’s pumping action. The graphical presentation of the
Electrocardiogram (ECG) can be interpreted so that normal and abnormal rhythms of the heart can be detected
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care, create employment and improve the African economy. The major materials considered for the
implementation include the instrumentation amplifier AD624, Low Noise JFET Operational Amplifier TL074, a
clinical standard 12-lead ECG electrode, various electrical and electronic components such as resistors,
capacitors and diodes for protection and an oscilloscope. The electrodes connected to the body convert the
heart signal into electrical voltage. These voltages obtained from the body are too small for the oscilloscope to
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Automatic digital-analog impedance plethysmograph
- 2. ABSTRACT • IPG based carotid pulse sensing that improve the measurement quality in hemo dynamics • Long term cardiac vascular health • Non invasive technique • Continuous blood pressure • Install in the Neck • Apply 6 volunteer • Small size
- 3. STEPS:
- 4. THEORETICAL MODEL: • Principle of electrical impedance • 2 pair of electrodes • Based upon impedance and shunting impedance
- 7. RESULT: • Apply on 6 volunteers take the reading then obvious variation 2137mohm and frequency is 50Hz • Left size of the neck • Optimized measurement condition of IPG based carotid pulse sensing • Long term blood pressure