Frequency
Medical term · F
The pitch of a sound; measured by the speed at which sound waves vibrate.
Related terms
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EchocardiographyA diagnostic tool that uses high-frequency sound waves (ultrasound) to make images of the heart's size, structure and motion.
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HertzThe measurement of a sound’s frequency.
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UltrasoundHigh-frequency sound waves used to provide images of the body, tissues and internal organs.
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Unstable anginaChest pain that occurs or worsens in frequency, severity, or duration when a person is at rest or engaging in mild activity.