What is Haller index?
The Haller index (maximal transverse diameter/ narrowest AP length of chest) is used assess severity. Normal Haller index is 2.5. Significant pectus excavatum has an index greater than 3.25.
What is the epidemiology for pectus excavatum?
It is the most common chest wall deformity, accounting for approximately 90%, and occurs in up to 1 in 300-1000 births and is more frequently seen males (M:F = 3 : 1).
There is significant depression deformity in the anterior chest wall suggestive of pectus excavatum. The Haller index is roughly 5 which is classified as significant pectus excavatum. The heart is displaced towards left.