Redundant Interatrial Septum

LA i

Subcostal

Interatrial Septum Subcostal Echo

Fig. 7. (A) Parasternal short-axis (PSAX) and apical four-chamber views (A4C) show flow acceleration and left-to-right shunt across this secundum atrial septal defect on color Doppler examination. (B) Color flow Doppler applied to the interatrial septum from the subcostal window shows left-to-right shunt across interatrial septum. This view provides a better alignment for Doppler evaluation of shunt flow. (C) Continuous-wave Doppler examination of the atrial septal defect. Peak velocity of the left-to-right shunt across the defect was 1.3 m/s corresponding to peak gradient of 7.0 mmHg. (Please see companion DVD for corresponding video.)

Fig. 8. (A) Apical four-chamber frames showing hypermobile interatrial septum. (B) Parasternal short axis views showing hypermobile interatrial septum. (C) Color flow Doppler interrogation of hypermobile interatrial septum in A and B revealed transient left-to-right shunt (arrow) via a patent foramen ovale.

Interatrial Septum

Fig. 8. (A) Apical four-chamber frames showing hypermobile interatrial septum. (B) Parasternal short axis views showing hypermobile interatrial septum. (C) Color flow Doppler interrogation of hypermobile interatrial septum in A and B revealed transient left-to-right shunt (arrow) via a patent foramen ovale.

the venous system to lodge in the systemic arteries, although the actual passage of a thromboembolus through a PFO is only rarely captured on echocardiography views (Fig. 9; please see companion DVD for corresponding video). The incidence of PFO appears to be higher in patients with ischemic stroke, exceeding threefold higher in patients younger than 55 yr old.

An atrial septal aneurysm (ASA) is an excessively redundant hypermobile area of the interatrial septum, which can be seen on echocardiogram (Figs. 10 and 11;

Echocardiography Images
Fig. 9. Serial transesophageal echocardiographic images showing thromboembolus "in transit" (arrow) through a patent foramen ovale. (Please see companion DVD for corresponding video.)

_ k

Was this article helpful?

0 0
Your Heart and Nutrition

Your Heart and Nutrition

Prevention is better than a cure. Learn how to cherish your heart by taking the necessary means to keep it pumping healthily and steadily through your life.

Get My Free Ebook


Responses

  • matthias
    What is an redundant interatrial septum?
    4 years ago
  • arturo
    What are the 4 views to see the interatrial septum in echocardiography?
    2 years ago
  • donatella rizzo
    What is hypermobile interatrial septum?
    5 months ago
  • Esmeralda Smallburrow
    What is hypermobile intra atrial septum?
    2 months ago

Post a comment