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Home » Medicine » Mitral Stenosis X-Ray Findings with Figure

Mitral Stenosis X-Ray Findings with Figure

Table of Contents

  • Mitral Stenosis, X-Ray Findings with Figure
  • What is Mitral Stenosis?
    • Degree Of Mitral Stenosis:
  •  X-ray Findings of Mitral Stenosis:
  • Mitral Stenosis X-Ray Findings In One X-ray Plate:

Mitral Stenosis, X-Ray Findings with Figure

What is Mitral Stenosis?

There are four valves in heart. One of them is Mitral valve which is situated between Left atrium and left ventricle. If the Valve becomes stenosed (narrow), then it is called mitral stenosis.

Mitral-Stenosis-X-Ray-Findings
Mitral-Stenosis-X-Ray-Findings

Common causes of Mitral Stenosis:

Most Common Cause is Chronic Rheumatic Heart Disease, in 50% cases history of Rheumatic Fever or Rheumatic chorea.

Other causes of mitral stenosis are very rare – Congenital, Calcification, Carcinoid Syndome (You can easily remember this by 3C)

If you want to know the details about Mitral Stenosis which is a vulvular disease of heart, you can see here.

Degree Of Mitral Stenosis:

Valve Area:

<1.0 cm2—- Severe

1.0-1.5 cm2—- Moderate

>1.5-2.5 cm2 —-Mild

Mean gradient:

>10 mmHg  Severe

5-10 mmHg Moderate

<5 mmHg  Mild

Mitral Stenosis Vs Normal Heart valve

 X-ray Findings of Mitral Stenosis:

1)      Upper lobe veins are dilated (Early Feature) – upper lobe diversion (normally, ratio between upper and lower lobe vein is 1:3, which is altered to 1:1)

Upper Lobe diversion in mitral stenosis

Fig: Upper lobe veins are dilated

2)      Straightening of left border of heart, fullness of pulmonary conus and filling of pulmonary bay (due to enlarged left atrium)

Mitral Stenosis Left border heart

Fig: A and B indicates Straightening of left border of heart

3)      Kerley’s B Lines (Horizontal septal lines in costrophenic angle-indicates PH)

What is Kerley B lines?

Kerley B lines are short parallel lines at the lung periphery. These lines represent distended interlobular septa, which are usually less than 1 cm in length and parallel to one another at right angles to the pleura. They are located peripherally in contact with the pleura, but are generally absent along fissural surfaces. They may be seen in any zone but are most frequently observed at the lung bases at the costophrenic angles on the PA radiograph, and in the substernal region on lateral radiographs.

Kerley's B line in mitral Stenosis

Fig: Red Mark indicates Kerley B lines

 

4)      Double shadow in right border

Double Shadow of right border of heart

Fig: Double Shadow in Right Border of Heart

5)      Widening of carina

6)      Left bronchus is horizontal

7)      Pulmonary Edema

8)      Mottling of reticular shadow due to pulmonary haemosiderosis

Lung Mottling in mitral Stenosis

Fig: Mottling of Lung

9)      Calcified shadow of mitral valve.

Calcified Mitral Valve

Fig: Calcified Valve (Not Xray)

Mitral Stenosis X-Ray Findings In One X-ray Plate:

 

Mitral Stenosis X-ray Findings

(1) Loss of the aortic window

(2) As the left atrium movestowards the right side there is a double contour of the rightheart border

(3) The right and left atrium can be differentiatedbecause the left atrial shadow is usually less dense and touchesthe diaphragm. Secondary to left atrial cephalad enlargement,there is elevation of the left main stem bronchus, causing wideningof the angle of the carina

(4) Posterior enlargement causesesophageal displacement

(5) As the enlarged left atrium pushesthe heart anteriorly with subsequent dilatation of the rightventricle, there is obliteration of the retrosternal space

(6) Secondary to congestion or changes in cardiac output, thereare several other characteristic signs, including a prominentpulmonary vasculature at the hilum

(7) and a small aortic knuckledue to decreased flow in the aorta

(8) Enlargement of the rightventricle due to back pressure lifts the apex of the heart awayfrom the diaphragm

(9) And causes cardiomegaly, which is a three-chamberphenomenon excluding the left ventricle.

Secondary to changes in pulmonary blood flow, there are severalother findings. These include cephalization of the pulmonaryvasculature

(10) Kerley B lines

(11) And a reticular pattern

(12) Visualized at the bases secondary to interlobular and septal thickening.

 

Reference:

1) Short Case in Clinical Medicine – Dr. ABM abdullah

2) Wikipedia – Mitral valve stenosis

3) Different Medical Websites

Thats All X-ray findings of Mitral Stenosis

Reader Interactions

Comments

  1. Shemul49rmc@How To Tips says

    July 7, 2012 at 9:57 pm

    Hard working post ! Add a Option to save as PDF like as in medinfo24.com, that i have added. So that the reader can download this page and save as PDF for future reference.

    Reply
  2. saifmahmood49 says

    August 6, 2012 at 2:22 am

    write more on cardiac diseases

    Reply
  3. Adam says

    March 9, 2013 at 5:48 am

    nicely done.

    Must have taken a bit of effort.

    Cheers,

    Adam

    Reply

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