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2. Audiogram - Wikipedia

   en.wikipedia.org/wiki/Audiogram

   Audiogram. An audiogram is a graph that shows the audible threshold for standardized frequencies as measured by an audiometer. The Y axis represents intensity measured in decibels (dB) and the X axis represents frequency measured in hertz (Hz). [1] The threshold of hearing is plotted relative to a standardised curve that represents 'normal ...

3. Blood pressure measurement - Wikipedia

   en.wikipedia.org/wiki/Blood_pressure_measurement

   Digital blood pressure monitor in use. Arterial blood pressure is most commonly measured via a sphygmomanometer, which historically used the height of a column of mercury to reflect the circulating pressure. [1] Blood pressure values are generally reported in millimetres of mercury (mmHg), though modern aneroid and electronic devices do not ...

4. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

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   These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

5. Artificial cardiac pacemaker - Wikipedia

   en.wikipedia.org/wiki/Artificial_cardiac_pacemaker

   Each pulse causes the targeted chamber(s) to contract and pump blood, thus regulating the function of the electrical conduction system of the heart. The primary purpose of a pacemaker is to maintain an even heart rate , either because the heart's natural cardiac pacemaker provides an inadequate or irregular heartbeat, or because there is a ...

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7. The best wireless earbuds - AOL

   www.aol.com/news/best-wireless-earbuds-203936333...

   Sony WF-1000XM4 $ at Amazon. Sony WF-1000XM4 $ at Best Buy. Sony WF-1000XM4 $ at Sony. Best for fitness: Beats Fit Pro Pros: Great fit, easy button controls. Cons: Case could be improved. The ...

8. Prehypertension - Wikipedia

   en.wikipedia.org/wiki/Prehypertension

   Prehypertension. Prehypertension, also known as high normal blood pressure and borderline hypertensive ( BH ), [1] is a medical classification for cases where a person's blood pressure is elevated above optimal or normal, but not to the level considered hypertension (high blood pressure). Prehypertension is now referred to as "elevated blood ...

9. What is a normal blood pressure reading? - AOL

   www.aol.com/lifestyle/normal-blood-pressure...

   Regarding ideal numbers, the famous M.D. says: "Your blood pressure is supposed to be under 140 over 90, optimally closer to 120 over 80." He went on to call the test "life-saving" and "the single ...