Most common frequency of Tuning fork used in ENT
256 Hz
512 Hz
1024 Hz
2048 Hz
Tuning fork test can be performed using tuning fork of different frequencies such as:
. • MC used/ ideal for routine clinical practice is of 512 Hz.
• Tuning fork of lower frequencies produce sense of bone vibration while those of higher frequencies have a shorter decay time and are thus not routinely preferred.
• Tests done with tuning fork:
■ Rinne’s test
■ Weber's test
■ Absolute bone conduction (ABC) test
■ Bing test
■ Gelle’s test
■ Lewis test