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Biology Stack Exchange is a question and answer site for biology researchers, academics, and students. Sinus congestion often seems to be accompanied by excess pressure on the outer ears (as anyone who has shared a transcontinental flight with an infant can attest to) or fluid buildup in the canals.
The most obvious answer I can think of is that any direct drainage from the sinuses would cause a backup of fluid into the Eustachian tubes. The Eustachian tubes drain the middle ear (between the eardrum and the inner ear) into the nasopharynx, the part of the throat that is just behind the nose. Often what happens is that in the case of a common cold or other upper respiratory tract infection, the nasopharynx and nasal mucosa are both infected. The ear is supplied by the posterior auricular and superficial temporal arteries of the external carotid artery. Not the answer you're looking for?Browse other questions tagged human-anatomy human-ear blood-pressure or ask your own question.
Normal hearing requires a correct functioning of the tree ear’s segments divided in outer, middle and inner ear. The tympanic membrane (eardrum) separates the middle ear from the external ear (external auditory canal). If the pressure in the external ear increases or similary, if the pressure in the middle ear declines, the eardrum is pilled further inward.
The middle ear mucosa insures permanent gas exchanges with a tendency towards gas loss from the middle ear cavity into the blood.

The TVPM constitutes the anterior-external wall of the Eustachian tube and continues into the mouth between the connections of the hard palate to the soft palate.
The LVPM constitutes the floor of the Eustachian tube and leads to the rotation of the tubal cartilage and the proximal opening of the tube. The acts of swallowing or yawning are usually enough to momentarily open the Eustachian tube, allowing it to regulate air pressure.
Tympanometry, allows precise evaluation of eardrum mobility and assessment of middle ear pressure and surrounding air pressure.
Ear infection - chronic: MedlinePlus Medical EncyclopediaChronic ear infection is fluid, swelling, or an infection behind the eardrum that does not go . The sinuses and middle ear constantly produce some fluid, which is either reabsorbed or drained.
The inflammation causes swelling and blocks off the Eustachian tubes and the drainage pathways of the sinuses and the trapped fluid itself causes sinus & ear pain and can get infected causing sinusitis and otitis media. To obtain the perception of any sound in our brain, the acoustic wawe has to be transmitted from the outer ear to the inner ear through the middle ear.
In the normal state, the eardrum is tightened in a slightly retracted position forming a cone with its summit pointing into the middle ear. These gas exchanges normally lead to a constant decline in the pressure in the middle ear cavity. However, it is possible that these actions are no longer sufficient, either because the Eustachian tube is blocked, or because it cannot respond to a greater demand from the middle ear when gas exchanges become more marked, such as during the average ear inflammation.

It can also reveal Eustachian tube dysfunction and can suggest the presence of middle ear effusion.Tubomanometry allows us to quantify with precision the degree and the type of tubal dysfunction.
Alternatively a viral infection can also go up into the middle ear and sinuses causing direct infection. We can then establish a precise diagnosis and decide upon the adequate treatment and follow up.
Two tubal muscles, the Levator Veli Palatini Muscle (LVPM) and the Tensor Veli Palatini muscle (TVPM) which is the main tubal dilator, ensure Eustachian tube function. It can also happen that pressure in the external ear increases so rapidly that the tube cannot effect the necessary regulations fast enough, such as in free diving. A stable level among C2 and C3 corresponds to good muscular tonus of the velum and allows to rule out Patulous Eustachian Tube or other malformations of this region. The gradient between P1 and P2 reflects the speed of this opening and the pressures equalizing in the middle ear.

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Comments Blocked ear with slight pain

  1. 45345
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    Sections - the outer ear, the middle after a year I am learning the nerve utilised in grafting.
  3. VoR_KeSLe
    Removes my ringing??until the next morning with going.