àÃ×èͧ¹Õé¹èÒʹã¨à¾ÃÒÐà»ç¹àÃ×èͧ¢Í§à¤Ã×èͧÁ×Í»ÃШӵÑǤسËÁÍ·Ñé§ËÅÒ·ÕèÍÕ¡äÁè¹Ò¹ àÃÒÍÒ¨¨ÐäÁèä´éàËç¹à¢Òãªé¡Ñ¹ÍÕ¡ ¹Ñ蹤×Í Êàµç·Ï(stethoscope) ·Õèãªé¡Ñ¹ÁÒµÑé§ 200 ¡ÇèÒ»ÕáÅéÇ Íա˹èͨÐÁÕà¤Ã×èͧÁ×ÍÍØŵÃéÒ«ÒǹìẺ¾¡¾ÒÁÒãËé¤Ø³ËÁÍæãªéá·¹¡Ñ¹ ¨Ò¡àÃ×èͧ Point-of-Care Ultrasound in Medical Education — Stop Listening and Look. N Engl J Med. 370;12:1083-1085.