Explain the components of an ECG (electrocardiogram) monitor (70% marks). Outline the methods employed to reduce artefact (30% marks)
Excellent answers described the function of the ECG device and its components. Components include
electrodes, which form leads (unipolar and bipolar), the amplifier and an output device. The process of
amplification and filtering (e.g., high and low pass filters), as well as monitoring and diagnostic ECG
modes were described. A comprehensive list of ways to reduce artefacts, including strategies to address
both patient and equipment factors was generally provided.
de Luna, Antoni Bayés. Chapter 2; "The ECG Curve: What Is It and How Does It Originate?" in: ECGs for beginners. John Wiley & Sons, 2014.
Dupre, Anthony, Sarah Vincent, and Paul A. Iaizzo. "Basic ECG theory, recordings, and interpretation." Handbook of cardiac anatomy, physiology, and devices. Humana Press, 2005. 191-201.
Reisner, Andrew T., Gari D. Clifford, and Roger G. Mark. "The physiological basis of the electrocardiogram." Advanced methods and tools for ECG data analysis 1 (2006): 25.
Hurst, J. Willis. "Naming of the waves in the ECG, with a brief account of their genesis." Circulation 98.18 (1998): 1937-1942.
Geselowitz, David B. "Dipole theory in electrocardiography." The American journal of cardiology 14.3 (1964): 301-306.
Crouch, Catherine Hirshfeld, and John W. Hirshfeld Jr. "Teaching the electrical origins of the electrocardiogram: An introductory physics laboratory for life science students." American Journal of Physics 88.7 (2020): 526.