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The use of scintigraphic studies in mid-ventricular obstructive cardiomyopathy to rule out pseudoaneurysm
Insights
Mid-ventricular hypertrophic obstructive cardiomyopathy can mimic left ventricular pseudoaneurysm. TI-201 myocardial imaging effectively differentiates these conditions, aiding accurate diagnosis and treatment planning for cardiac obstruction.
Area of Science:
- Cardiology
- Medical Imaging
- Cardiac Physiology
Background:
- Mid-ventricular obstruction from asymmetric septal hypertrophy can lead to a
- pseudo-pseudo
- aneurysm of the left ventricle.
- Distinguishing this from a true pseudoaneurysm is critical for patient management.
Abstract:
A "pseudo-pseudo" aneurysm of the left ventricle due to mid-ventricular obstruction from asymmetric septal hypertrophy is presented. A case of mid-ventricular hypertrophic obstructive cardiomyopathy (MVHOCM) was evaluated by means of echocardiography, angiocardiography, gated cardiac blood pool scanning, and a TI-201 myocardial scan. The gated cardiac blood pool scan appearance of MVHOCM is similar to pseudoaneurysm of the left ventricle. TI-201 myocardial imaging, however, was able to distinguish between MVHOCM and pseudoaneurysm of the left ventricle.