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What is an audiogram? What are decibels? | Connect Hearing
https://www.connecthearing.com/expert-knowledge/audiogram/#:~:text=The%20audiogram%20illustrates%20your%20hearing%20by%20representing%20your,of%20between%200%20and%2025%20dB%20is%20normal.
Pure Tone Audiogram and Interpretation | Epomedicine
https://epomedicine.com/medical-students/pure-tone-audiogram-and-interpretation/
<25 dB: normal (no difficulty with faint speech) 26–40 dB: mild (difficulty with faint speech) 41–55 dB: moderate (difficulty with normal speech) 56–70 dB: moderately severe (difficulty even with loud speech) 71–90 dB: severe (can understand only shouted speech) 91+ dB: profound (cannot understand even shouted speech) Symbols:
What Does a “Normal” Audiogram Look Like?
https://www.oliveunion.com/us/blog/hearing-health/hearing-loss/normal-audiogram/
For an adult, ‘normal’ hearing ranges from 0 – 20 decibels (dB) in all frequencies. Above 20 dB is classed as a hearing loss, and a greater decibel value indicates a greater level of severity. Mild hearing loss is present in the 20 – 40 dB range and severe loss is shown at 71-90 dB.
Normal Audiogram Test - What Does It Look Like? | Olive …
https://us.oliveunion.com/blogs/the-olive/what-does-a-normal-audiogram-look-like
Each line from top to bottom shows the loudness of the sound in decibels, with lines at the top of the chart for soft sounds (such as a ticking clock) and lines at the bottom for loud sounds (such as a lawnmower). For an adult, 'normal' hearing ranges from 0 - 20 decibels (dB) in all frequencies, and 0 - 15 dB for a child.
Pure-tone audiometry (audiogram) | MedLink Neurology
https://www.medlink.com/articles/pure-tone-audiometry-audiogram
Often the normal and the slight categories are combined into an expanded normal category, so that normal is considered to include dB HL up to 25 dB, whereas others consider normal to be up to 20 dB HL (04). An audiogram report accompanying an audiogram will often specify the degree of hearing loss for each frequency range or region, eg, normal below 2 kHz, …
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