Comprehensive Stroke Certification Fees and Benefits. The Joint Commission and American Heart Association / American Stroke Associationâs Comprehensive Stroke Center Certification includes a new and exclusive suite of benefits. The annual fee for the first year is prorated depending on the date of application for certification.
1 When the bones of the middle ear do not vibrate and become stiff, it can give rise to a hissing and vibrating sound in the ears. 2  Rupture of ear drum either due to trauma or due to loud sound can cause vibration in the ear during the initial stage. 3  Infection in the ear, cold and sinusitis can also cause vibration.
1 Sound waves cause this membrane to vibrate and these vibrations are transmitted to three tiny bones (the ossicle) in the middle ear. 2  The three bones are the malleus, incus, and stapes. 3  Malleus-bone that is connected to the eardrum and to the incus. Eardrum-also called the tympanic membrane, this membrane separates the outer and middle ear. 2  Sound waves cause this membrane to vibrate and these vibrations are transmitted to three tiny bones (the ossicle) in the middle ear.