Coronary Anomalies & Hemodynamic Identification
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1 Coronary Anomalies & Hemodynamic Identification David Stultz, MD Cardiology Fellow, PGY 6 May 2, 2006
2 Anomaly #1
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6 Anomaly #2
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11 Anomaly #3
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15 Figure Anomalous origin of the left circumflex artery. The caudocranial crosssectional view at the level of the semilunar valves shows the common course of the left circumflex coronary artery aberrantly arising from the right sinus of Valsalva. The left circumflex artery passes behind the aortic root and runs to the left atrioventricular groove following an initial course identical to that for the anomalous left coronary artery arising from the right sinus of Valsalva that follows a posterior, retroaortic course. LAD = left anterior descending; LCx = left circumflex; RCA = right coronary artery. Braunwald 7 th ed
16 Cx from RCA Posterior course CCTSAP, 2006
17 Single coronary, right cusp Cx anterior to pulmonary artery
18 Single coronary, right cusp Cx Anterior to pulmonary artery
19 Anomaly #4 a different kind
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23 Left Main from right coronary cusp
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25 Coronary anomalies Occur in about 1 in 200 caths Most common: Cx from Right coronary cusp Anomalies causing ischemia: Coronary artery fistulas Left coronary artery origin from PA Congenital stenosis or atresia Origin from either coronary from the contralateral sinus Single coronary artery Especially when vessel courses between Ao, PA Benign anomalies Left Cx from Right coronary sinus High anterior RCA origin
26 Crawford and DiMarco, 2 nd ed
27 RCA from Left cusp
28 LAD from Right Cusp patterns
29 LAD from RCA, septal location
30 RCA from LAD, anterior to PA
31 RCA from Left coronary Courses between Ao and PA
32 Left Circumflex (tortuous) Great cardiac vein fistula
33 And now on to hemodynamics
34 Normal arterial pulse Mayo Clnic, 2 nd ed
35 Parvus and Tardus pulse Mayo Clnic, 2 nd ed
36 Bifid pulse Aortic stenosis and regurgitation Mayo Clnic, 2 nd ed
37 Bisferians pulse Hypertrophic Cardiomyopathy Mayo Clnic, 2 nd ed
38 Dicrotic pulse LV dysfunction Mayo Clnic, 2 nd ed
39 Right Atrial Waveform a wave - RA contraction elevated in RV failure c wave - tricuspid closure v wave - passive filling of RA during ventricular systole = T wave on ECG elevated in tricuspid regurgitation x descent - atrial diastole y descent - atrial emptying
40 Mayo Clnic, 2 nd ed
41 Giant A wave During systole RA Tricuspid Stenosis RV noncompliance RV Failure Pulmonary Stenosis Pulmonary HTN LA Mitral Stenosis LV noncompliance Mayo Clnic, 2 nd ed
42 Elevated V wave During diastole RA Tricuspid Regurgitation RV failure Restrictive cardiomyopathy LA Mitral Regurgitation LV failure VSD Mayo Clnic, 2 nd ed
43 Mayo Clnic, 2 nd ed
44 Mayo Clnic, 2 nd ed
45 Mayo Clnic, 2 nd ed
46 Mayo Clnic, 2 nd ed
47 Kern, Hemodynamic Rounds
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