Not to be confused with the superior thoracic aperture.

The clinical signs and symptoms can be confused with neurovascular compromise at the level of the superior thoracic aperture.

It extends approximately an inch more superiorly than the superior thoracic aperture, because the lungs themselves extend higher than the top of the ribcage.

The superior mediastinum starts at the superior thoracic aperture and ends at the thoracic plane.

The thoracic inlet or superior thoracic aperture refers to the opening at the top of the thoracic cavity.

Superior thoracic aperture (thoracic inlet)

The thoracic outlet or inferior thoracic aperture is much larger than the thoracic inlet (superior thoracic aperture).

There are two openings of the thoracic cavity, a superior thoracic aperture known as the thoracic inlet and a lower inferior thoracic aperture known as the thoracic outlet.

The cavity also contains two openings one at the top, the superior thoracic aperture also called the thoracic inlet, and a lower inferior thoracic aperture which is much larger than the inlet.

It is also referred to clinically as the thoracic outlet as in thoracic outlet syndrome, which refers to the superior thoracic aperture, and not to the lower larger opening the inferior thoracic aperture called the thoracic outlet.

The right (minor duct) only traverses the thoracic inlet once.

Structures that pass through the thoracic inlet include:

The brachial plexus is a superolateral relation of the thoracic inlet.

The thoracic inlet is essentially a hole surrounded by a bony ring, through which several vital structures pass.

The clavicle articulates with the manubrium to form the anterior border of the thoracic inlet.

The collapsed veins and patent arteries at the thoracic inlet result in this flow being in a forward direction.

The Pemberton maneuver is a physical examination tool used to demonstrate the presence of latent pressure in the thoracic inlet.

Grade 4: Abundant blood in the trachea, completely covering the tracheal surface and pooling at the thoracic inlet.

The patient is clipped and prepped between the larynx and thoracic inlet in the ventral mid line.

Superior to the thoracic inlet is the root of the neck, and the superior mediastinum is related inferiorly.

If inside/outside carcass washing is performed manually, the thoracic inlet must be penetrated for adequate washing and drainage.

The thoracic inlet or superior thoracic aperture refers to the opening at the top of the thoracic cavity.

Superior thoracic aperture (thoracic inlet)

In addition he did original work on the prognostic value of spinal anaesthesia in vaso-spastic disease of the lower limbs and the thoracic inlet syndrome.

An arbitrary division can be made between the intrathoracic and cervical trachea at the thoracic inlet, an opening at the top of the thoracic cavity.

Fascia as a whole body system, cross diaphragms, techniques for release of pelvic diaphragm, respiratory diaphragm, thoracic inlet and occipital base.

The thoracic outlet or inferior thoracic aperture is much larger than the thoracic inlet (superior thoracic aperture).

There are several other minor but important vessels and nerves passing through, and an abnormally large thyroid gland may extend inferiorly through the thoracic inlet into the superior mediastinum.

Other sites: Rare sites of involvement are the larynx, nasal cavity, paranasal sinuses, thyroid gland, and the thoracic inlet, as well as the bladder in extremely rare cases.

There are two openings of the thoracic cavity, a superior thoracic aperture known as the thoracic inlet and a lower inferior thoracic aperture known as the thoracic outlet.

The cavity also contains two openings one at the top, the superior thoracic aperture also called the thoracic inlet, and a lower inferior thoracic aperture which is much larger than the inlet.

If the thoracic inlet deep transverse fascia is suspected of being restricted, one hand will be placed on the upper back and one over the collar bone area in front and held with an extremely gentle pressure.

The alternative "thoracic pump" theory proposes that chest compression, by increasing intrathoracic pressure, propels blood out of the thorax, forward flow occurring because veins at the thoracic inlet collapse while the arteries remain patent.

Although the sign is most commonly described in patients with substernal goiters where the goiter "corks off" the thoracic inlet, the maneuver is potentially useful in any patient with adenopathy, tumor, or fibrosis involving the mediastinum.