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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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