Ключевые слова: abstract, anatomy, arrhythmia, cardiac, cardiologist, cardiology, cardiomyopathy, cardiovascular, care, check, chest, close up, closeup, concept, congenital, defect, desease, device, diagnosis, diagnostic, disease, doctor, female, hand, health, healthcare, heart, hospital, human, image, life, man, medical, medicine, modern, muscle, procedure, scan, sonographer, technology, test, ultrasonic, ultrasound, unidentified, unrecognizable, viewing, wave, white, woman, work,