Ключевые слова: amplitude, attack, beat, body, cardiac, cardiogram, cardiology, care, chart, complex, cycle, diagram, ecg, education, educational, ekg, electrocardiogram, fainting, figure, health, healthcare, healthy, heart, heartbeat, human, illustration, infographic, interval, lead, line, medical, monitor, muscle, normal, patient, pictogram, pictograph, poster, pr, pulse, qrs, qt, rhythm, science, segment, sinus, st, stress, structure, telemetry, test, vector,