英文關鍵字
adult
attached
batteryoperated
chest
closeup
condition
ecg
electrocardiography
electrode
equipment
examining
health
hospital
human
male
measuring
medicine
men
patient
people
portable
recording
sensor
supplies
surveillance
technology
torso
英文關鍵字
adult
attached
batteryoperated
chest
closeup
condition
ecg
electrocardiography
electrode
equipment
examining
health
hospital
human
male
measuring
medicine
men
patient
people
portable
recording
sensor
supplies
surveillance
technology
torso