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      Question

      Which of these helps to diagnose a heart

      problem?
      A BCG Correct Answer Incorrect Answer
      B EEG Correct Answer Incorrect Answer
      C ECG Correct Answer Incorrect Answer
      D ECT Correct Answer Incorrect Answer

      Solution

      • Electrocardiogram (ECG) monitors the heartbeat of a person. • It measures the changing electric impulse with contraction and expansion of the heart. • ECGs obtain the analog signals and then convert them into digital ones. • Small sticky sensors (electrodes) are attached to the chest of patients and their heartbeat is measured. • William Einthoven is credited with the invention of ECG in 1895 and was also honored with Nobel prize in 1924 .

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