Cyanosis CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Template:Sara,Zand Amandeep Singh M.D.[2]

Overview

Cardiac CT scan plays an important tool in the assessment of cyanotic congenital heart disease whether determines the volume and size of cardiac chambers and determines the relation between the cardiac chambers and great arteries and veins.

CT scan

• Cardiac computed tomography scan may be helpful in the diagnosis of cyanotic congenital heart disease. Findings on cardiac CT scan for assessment of the anatomy of congenital heart disease may include:

• Evaluation the position of aorta, pulmonary vein, pulmonary arteries
• Evaluation of the size and volume of cardiac chambers
• Evaluation of ventriculoarterial connection
• Evaluation the connection between upper lob bronchi and pulmonary arteries
• Evaluation of coronary arteries, valves, superior vena cava, inferior vena cava, hepatic veins
• Evaluation of visceral situs

• Findings on Chest CT scan for the diagnosis of pulmonary causes of cyanosis may include:
  • Pneumonia (to view CT Scan features, click here)
  • Pulmonary edema (to view CT Scan features, click here)
  • Pulmonary embolism (to view CT Scan features, click here)
  • Pulmonary hypertension (to view CT Scan features, click here)
  • Pneumothorax (to view CT Scan features, click here)
  • Atelectasis (to view CT Scan features, click here)
  • Pleural effusion (to view CT Scan features,click here)

Recommendation for cardiac computed tomography in congenital heart disease according to 2018AHA/ACC Guideline

Class of Recommendation	Level of Evidence	Recommendation
॥a	C	CCT is useful In congenital heart disease when imaging can not be obtained by other modalities and the risk of exposure to ionizing radiation is lower than the benefit

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