Posts Tagged ‘Low Frequency’

Have A Migraine? See Your Dentist

Headaches
Do you or someone you know suffer from chronic headaches or Migraines? Usually
these people have seen a variety of different doctors, with little if any relief. Their
symptoms are being treated, but the cause of the problem still persists. Ever
thought about seeing your dentist for a migraine? Well that is just one of [...]

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A Review of Littman Stethoscopes

Dr. David Littman, a famous cardiologist, inventor, and Harvard Medical School professor, greatly improved the acoustic qualities of stethoscopes in 1963. He believed it was vital to have a stethoscope with two chestpieces, an open one used to hear low pitch sounds and a closed, flat chestpiece to pick up higher pitched sounds. [...]

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An Introduction to Stethoscopes

Stethoscopes are simple yet effective tools that allow doctors to listen to the internal sounds in a patient?s body. Doctors can use stethoscopes to listen to a patient?s heart, intestines, breathing, and blood flow.
A French doctor named Rene-Theophile-Hyacinthe Laennec invented the first stethoscope in 1816. Dr. Laennec used a hollow wooden tube to [...]

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