Coronary artery ectasia
Coronary artery ectasia is defined when diameter of the coronary artery is —– times the normal adjacent segment
[A] 1.5
[B] 2.0
[C] 2.5
[D] 3.0
Ectactic RCA – Right coronary artery
Definition of coronary artery ectasia
- Dilatation exceeding more than one-third of the coronary artery length
- With the diameter of the dilated segment measuring more than 1.5 times the diameter of a normal adjacent segment.
Classification of coronary artery ectasia – four groups
- Type 1: diffuse ectasia of two or three vessels
- Type 2: diffuse ectasia in one vessel and localized disease in another vessel
- Type 3: diffuse ectasia in one vessel only
- Type 4: localized or segmental involvement
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Double-density sign Double-density sign is seen in [A] LA enlargement[B] RA enlargement[C] LA and RA enlargement[D] RV enlargement ANSWER[A] LA enlargement Double-density sign Also known as the double right heart border Left atrial enlargement – Seen on frontal chest radiographs in the presence of -…