cardiac and pulmonary causes of syncope

Last reviewed 01/2018

Causes include:

  • left ventricular outflow obstruction:
    • aortic stenosis
    • hypertrophic obstructive cardiomyopathy

  • pulmonary flow obstruction:
    • pulmonary stenosis
    • primary pulmonary hypertension
    • pulmonary embolism

  • myocardial - MI with pump failure

  • pericardial - cardiac tamponade

  • atrial myxoma