REVIEW

Rheology of discrete subaortic stenosis

A M Cilliers¹, M Gewillig²

¹ Division of Paediatric Cardiology, Department of Paediatrics and Child Health, Chris Hani Baragwanath Hospital, University of the Witwatersrand, Johannesburg, South Africa
² Department of Paediatric Cardiology, Gasthuisberg, Catholic University of Leuven, Belgium

Correspondence to:
Dr Antoinette Cilliers, Division of Paediatric Cardiology, Department of Paediatrics and Child Health, Chris Hani Baragwanath Hospital, PO Bertsham, 2013 Johannesburg, South Africa;
amcilliers{at}icon.co.za

The discrete form of subaortic stenosis is thought to be an acquired lesion, the aetiology of which may be a combination of factors which include an underlying genetic predisposition, turbulence in the left ventricular outflow tract, and various geometric and anatomical variations of the left ventricular outflow tract. A review of hypotheses relating to its aetiology is provided

Keywords: subaortic stenosis; aortoseptal angle; double outlet right ventricle; ventricular septal defect

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