Describe in brief what MRI, ECG and EEG are?
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Answer:
MRI, ECG and EEG are:
Magnetic resonance imaging (MRI) is a safe and painless test that uses a magnetic field and radio waves to produce detailed pictures of the body's organs and structures.
An electrocardiogram (ECG or EKG) is a test that checks how your heart is functioning by measuring the electrical activity of the heart.An ECG measures and records the electrical activity that passes through the heart. A doctor can determine if this electrical activity is normal or irregular.
EEG (electroencephalography) measures the electrical activity of our brain via electrodes that are placed on the scalp. It tells us, from the surface measurements, how active the brain is.
Explanation:
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Answer:
MRIs are medical imaging systems used to diagnose health conditions. (Image: © MRI scan via Shutterstock) Magnetic resonance imaging (MRI), also known as nuclear magnetic resonance imaging, is a scanning technique for creating detailed images of the human body.
An electrocardiogram (ECG) is a medical test that detects heart problems by measuring the electrical activity generated by the heart as it contracts. ECGs from healthy hearts have a characteristic shape. If the ECG shows a different shape it could suggest a heart problem.
Electroencephalography (EEG) Definition: measures electrical activity generated by the synchronized activity of thousands of neurons (in volts) provides excellent time resolution, allowing you to detect activity within cortical areas -even at sub-second timescales