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Table 2 Findings by angiography and QCA in the main coronary arteries

From: Coronary artery occlusions diagnosed by transthoracic Doppler

Segment

Stenosis group 2

Stenosis group 3

Stenosis group 4

Blood flow direction in coronary trunk downstream to occlusion

(DS 50% – 75%)

(DS 76% – 99%)

(DS 100%; occlusion)

Retrograde

Anterograde

LM

4

0

0

  

pLAD

21

8

4

2

1

mLAD

15

3

2

 

2

dLAD

4

0

2

 

2

pCx

6

2

2

 

2

mCx

5

3

2

2

 

dCx

3

2

0

  

pRCA

14

7

6

6

 

mdRCA

14

10

8

8

 

PDA

4

1

2

2

 
  1. dCx distal left circumflex coronary artery, dLAD distal left anterior descending coronary artery, DS diameter stenosis, LM left main coronary artery, mCx middle left circumflex coronary artery, mdRCA mid-to-distal right coronary artery, mLAD middle left anterior descending coronary artery, pCx proximal left circumflex coronary artery, PDA posterior descending coronary artery, pLAD proximal left anterior descending coronary artery, pRCA proximal right coronary artery, QCA quantitative coronary angiography.
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Cardiovascular Ultrasound

ISSN: 1476-7120

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