Coronary Normal Variants

  • Randy Ray Richardson


Many normal variants of the coronary arteries exist. In this chapter we will only review coronary artery dominance and a few other common coronary artery normal variants. Other normal variants are described throughout the other chapters of the book.


Coronary variants Coronary dominance Ramus intermedius Shepherd Crook Myocardial bridging 


  1. 1.
    Shriki JE, Shinbane JS, Rashid MA, Hindoyan A, Withey JG, DeFrance A, et al. Identifying, characterizing, and classifying congenital anomalies of the coronary arteries. Radiographics. 2012;32:453–68.CrossRefGoogle Scholar
  2. 2.
    Yu M, Zhang Y, Li Y, Li M, Li W, Zhang J. Assessment of myocardial bridge by cardiac CT: intracoronary transluminal attenuation gradient derived from diastolic phase predicts systolic compression. Korean J Radiol. 2017;18:655–63.CrossRefGoogle Scholar
  3. 3.
    Young PM, Gerber TC, Williamson EE, Julsrud PR, Herfkens RJ. Cardiac imaging: part 2, normal, variant, and anomalous configurations of the coronary vasculature. Am J Roentgenol. 2011;197:816–26.CrossRefGoogle Scholar
  4. 4.
    Angelini P. Normal and anomalous coronary arteries: definitions and classification. Am Heart J. 1989;117:418–34.CrossRefGoogle Scholar
  5. 5.
    Angelini P. Coronary artery anomalies–current clinical issues: definitions, classification, incidence, clinical relevance, and treatment guidelines. Tex Heart Inst J. 2002;29:271–8.PubMedPubMedCentralGoogle Scholar

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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Randy Ray Richardson
    • 1
  1. 1.Creighton University School of Medicine, St. Joseph’s Hospital and Medical CenterPhoenixUSA

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