A) Hans Berger
B) Willem Kolff
C) Willen Einthoven
D) Wiehelm Roentgen
Correct Answer: C
Solution :
Electro Cardio Graph (ECG) is a device used to record the electrical activity of the heart to detect abnormal electric impulse through the muscles. It allows diagnosis of cardiac abnormality Willem Einthoven (1903) is considered as ?father of the Electro Cardiography? and he get Nobel Prize in 1924 for its discovery. There are 3 components P wave represents atrial contraction QRS complex represents ventricular contraction T wave represents ventricular repolarization Wilhelm Roentgen discovered X-ray. These rays have renewable ability to penetrate material which do not transmit visible light. They are commonly used for diagnosing disease of heart, lungs and bones. Hans Berger (1929) successfully recorded EEG of man. EEG (Electro Encephalo Graphy) is the graphic representation of the electrical activity of the brain, which is picked up by the electrodes placed on the scalp in the form of waves.
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