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. 2022 Jan 5;4(2):e117–e125. doi: 10.1016/S2589-7500(21)00256-9

Figure 1.

Figure 1

Schematic of ECG-enabled stethoscope and AI-ECG

Illustration of anatomical positions for auscultation and position-specific angulation (vector) of ECG-enabled stethoscope; and flow diagram of raw ECG data to cloud-based CNN for interpretation of AI-ECG, with illustration of how raw outputs are classified according to adjustable (optimised) threshold. Anatomical images adapted from BioRender. AI=artificial intelligence. CNN=convolutional neural network. LVEF=left ventricular ejection fraction.