Where Is the Retrosternal Space?
The Retrosternal Space (Rss) Has Been Described as One of the Two Clear Spaces Seen on a Lateral Chest Radiograph Where the Lungs Meet Behind the Sternum (The...
The retrosternal space (RSS) has been described as one of the two clear spaces seen on a lateral chest radiograph where the lungs meet behind the sternum (the first clear space); the second clear space being the retrocardiac space where the lungs meet behind the heart (Figure 1).
What is Retrosternal air space?
The retrosternal airspace is seen as a normal lucency between the posterior aspect of the sternum and anterior aspect of the ascending aorta on lateral chest radiographs. This space normally measures less than 2.5 cm in width.
What is increased Retrosternal airspace?
Increased retrosternal airspace is an indicator of hyperinflation of the lungs and is usually due to emphysema.
Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.
