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22 Cards in this Set
- Front
- Back
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What are the 4 main coronary arteries |
Right Coronary Artery (RCA) Left Main Left Anterior Descending (LAD) Left Circumflex (LCX) |
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When do coronary arteries fill? |
Diastole |
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What percentage of the heart does each artery feed? |
LAD-50% RCA-25% LCX- 25% |
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What is coronary artery dominance determined by? |
Origin of the Posterior Descending artery (PDA) |
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What are the % of people that have each type of coronary artery dominance? |
RCA Dominant- 70% LCX Dominant- 10% Co Dominant- 20% |
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Where is the best place to visualize the coronary arteries on Echo? |
PSAX Ao Valve Level |
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What is the heart capable of doing if arteries are blocked? |
Creating natural bypasses called Collaterals |
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What part of the heart wall does the dominant artery supply? |
Inferoseptal wall of the LV |
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Define these abbreviations: AS, A, AL, IL, I, IS, L, S |
AS: Anteroseptal, A: Anterior, AL: Anterolateral, IL: Inferolateral I: Inferior, IS: Inferoseptal, L: Lateral, S: Septal |
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What are the 3 levels of the heart walls? |
Basal- Mitral Valve Level Mid- Mid heart (papillary level) Apical- Apex of heart |
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Which Arteries Feed which Walls? |
LAD- Anterior walls and Apex LCX- Base & Mid Inferolateral RCA- RV Free Wall and Base and Mid Inferior (2c) and Inferoseptal (4c) |
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What is the WMSI and Formula? |
Wall Motion Scoring Index Sum of Wall Motion/# of wall segments visualized |
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What are the Wall Motion Scores? |
1- Normal 2- Hypokinetic - <40% function 3- Akinetic- <10% function 4- Dyskinetic- Outward during systole 5- Aneurysmal- always deformed |
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If you draw a line from Anteroseptal to Inferolateral in PSAX what view would you get? |
Apical 3 Chamber |
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If you draw a line from Anterior to Inferior in PSAX what view would you get? |
Apical 2 Chamber |
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If you draw a line from Inferoseptal to Anterolateral in PSAX, what view would you get? |
Apical 4 Chamber |
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In PLAX, and A3C what are the wall segments? |
Lateral=Inferior IL- LCX Apex and AS- LAD RV- RCA |
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In A2C what are the wall segments? |
Iowa Apex and Ant- LAD Basal Mid I- RCA |
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In A4C what are the wall Segments? |
AL IS Such a Loser S, L , AL- LAD IS- RCA RV- RCA |
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In PSAX what are the wall segments At Basal Level? |
Ant-LAD IL- LCX IS, I, RV- RCA |
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In PSAX what are the wall segments At Mid Level? |
Ant- LAD IL- LCX IS, I, RV- RCA |
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What is the acronym for Apical Level? |
SALI- Start at septum go clockwise. All fed by LAD |
