Electrocardiogram vs Ultrasound - What's the difference?
electrocardiogram | ultrasound |
(en noun) (abbreviated as'' EKG''' ''or'' ' ECG )
(cardiology) The visual output that an electrocardiograph produces
(physics) sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz
(medicine) The use of ultrasonic waves for diagnostic or therapeutic purposes