This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in

Clinical features

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Possible symptoms include:

  • angina
  • dyspnoea
  • palpitations
  • syncope
  • sudden death

Clinical signs include:

  • jerky pulse
  • JVP: large a waves, indicating right ventricular flow obstruction
  • double impulse at apex
  • loud fourth heart sound due to the left ventricular hypertrophy
  • third heart sound
  • late systolic murmur:
    • this is a result of outflow tract obstruction with or without mitral regurgitation
    • the murmur is late in systole because some blood must be ejected from the ventricle before the outflow is obstructed
    • the murmur is louder during a Valsalva manoeuvre
    • the murmur is softer when squatting

Related pages

Create an account to add page annotations

Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.

The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.


Copyright 2024 Oxbridge Solutions Limited, a subsidiary of OmniaMed Communications Limited. All rights reserved. Any distribution or duplication of the information contained herein is strictly prohibited. Oxbridge Solutions receives funding from advertising but maintains editorial independence.