During threshold pure-tone audiometry at 1000 Hz, a patient responds at 30 dB in the right ear and 20 dB in the left ear. Which of the following is the correct way to record these results in the medical record?
Right ear: 30 dB HL at 1000 Hz; Left ear: 20 dB HL at 1000 Hz
Both ears: pass at 25 dB HL at 1000 Hz
Right ear: 30 dB SPL at 1000 Hz; Left ear: 20 dB SPL at 1000 Hz
Pure-tone thresholds must be documented separately for each ear, stating the intensity in decibels hearing level (dB HL) and the frequency tested. The correct entry therefore lists a right-ear threshold of 30 dB HL at 1000 Hz and a left-ear threshold of 20 dB HL at 1000 Hz.
Incorrect answers:
Using dB SPL instead of dB HL records the wrong unit.
Omitting the frequency leaves the documentation incomplete.
Combining both ears into a single "pass" statement loses ear-specific data and fails to note the 30 dB threshold in the right ear.
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