Hegar sizes are similar to French sizing. The size number is the circumference of the dilator in mm. So, the diameter is the size/π. (π = 3.14).
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6XFrXeEbIjEFrFjagaJiHP4JpAXd0ne1iD59Vf7sh3oDnrBsazTFmqe6S1oRK2eY_EjKpQIpq58tp-ZdgPdoGRueANhd2GVe_0aPIQOlnKV7cku1Mvnb0wfBDw7KiiC_AHvaHaw/s400/HegarSizingRVOT.jpg)
Above table is based on 'The quantitative anatomy of the normal child's heart. Rowlatt, UF., Rimoldi, HJA., Lev, M. Pediatr Clin North Am 1963;10:499'.
No comments:
Post a Comment