|
|
|
|
| Left atrium |
|||
| forms no
border |
|||
| of normal
heart |
|||
| in PA view |
|||
|
|
|
| Left atrium |
||
| sits in middle
of |
||
| heart |
||
| posteriorly |
||
|
|
|
| This
inset from a CT scan of the chest |
||
| shows how RA and LV obscure LA from |
||
| forming a heart border on the frontal film. |
||