Tag: straightening of left border

Straightening of left border in mitral stenosis, on X-ray chest PA view The uppermost portion on the left cardiac border is the aortic knuckle. The next slight bulge

X-ray chest PA view showing biatrial enlargement

Straightening of left heart border seen on X-ray chest PA view in mitral stenosis, due to enlargement of main pulmonary artery and left atrial appendage.