Last reviewed 10/2020

  • there may be polycythaemia, which should prompt a check of iron levels
  • metabolic acidosis may occur
  • chest radiology
  • ECG shows right axis deviation and right atrial and ventricular hypertrophy.
  • other investigations of use in diagnosis and in the planning of surgery include:-
    • echocardiography, which will demonstrate the right ventricular outflow obstruction, the VSD, etc
    • cardiac catheterisation
    • selective left and right ventriculography
    • aortography and coronary arteriography

Click here for example ECG and further information