Cyanotic heart defect chest x ray: Difference between revisions
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==Chest X Ray== | ==Chest X Ray== | ||
A chest | A chest radiograph is helpful in differentiating between cardiac and pulmonary disorders. | ||
'''Heart Shape and size''' - | |||
* Patients with left-sided obstructive lesions may have cardiomegaly due to heart failure. | |||
* Tetralogy of Fallot – Boot-shaped (coeur en sabot) heart. | |||
* D-transposition of the great arteries – Egg-on-a-string pattern caused by a narrow mediastinal shadow produced by the anterior-posterior rather than right-left relationship of the great arteries. | |||
* Total anomalous pulmonary venous connection-A large supracardiac shadow due to anomalous pulmonary vein and persistent left superior vena cava can be seen, which together with normal cardiac shadow forms a snowman appearance. | |||
'''Pulmonary vascular markings''' — | |||
* The pattern of pulmonary blood flow depends upon the specific cardiac lesion. | |||
* Decreased pulmonary vascular markings occur in most cyanotic CHD lesions | |||
* Increased pulmonary vascular markings occur in patients with truncus arteriosus or mixing lesions, such as common atrioventricular canal, as pulmonary vascular resistance falls after delivery. | |||
==References== | ==References== | ||
Revision as of 19:24, 18 October 2012
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Cyanotic heart defect Microchapters |
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Case Studies |
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Cyanotic heart defect chest x ray On the Web |
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American Roentgen Ray Society Images of Cyanotic heart defect chest x ray |
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Risk calculators and risk factors for Cyanotic heart defect chest x ray |
For patient information, click Cyanotic congenital heart disease
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-In-Chief: Keri Shafer, M.D. [2], Atif Mohammad, M.D.
Overview
Chest X Ray
A chest radiograph is helpful in differentiating between cardiac and pulmonary disorders.
Heart Shape and size -
- Patients with left-sided obstructive lesions may have cardiomegaly due to heart failure.
- Tetralogy of Fallot – Boot-shaped (coeur en sabot) heart.
- D-transposition of the great arteries – Egg-on-a-string pattern caused by a narrow mediastinal shadow produced by the anterior-posterior rather than right-left relationship of the great arteries.
- Total anomalous pulmonary venous connection-A large supracardiac shadow due to anomalous pulmonary vein and persistent left superior vena cava can be seen, which together with normal cardiac shadow forms a snowman appearance.
Pulmonary vascular markings —
- The pattern of pulmonary blood flow depends upon the specific cardiac lesion.
- Decreased pulmonary vascular markings occur in most cyanotic CHD lesions
- Increased pulmonary vascular markings occur in patients with truncus arteriosus or mixing lesions, such as common atrioventricular canal, as pulmonary vascular resistance falls after delivery.