Article Figures & Data
Figures
- Figure 1.
Transthoracic echocardiogram from the patient's first presentation shows apical 2-chamber views of end diastole (left) and end systole (right) and reveals hypokinesis of left ventricular apical segments with hyperdynamic basal and mid segments.
- Figure 2.
Transthoracic echocardiogram from the patient's second presentation shows apical 4-chamber views of end diastole (left) and end systole (right) and reveals hypokinesis of the basal and mid left ventricular segments with spared apical contractility.
- Figure 3.
Peak systolic strain reveals attenuation of basal and mid segments with apical sparing. Echocardiographic strain and strain-rate imaging (deformation imaging) is a noninvasive method for assessing myocardial function that can differentiate between active and passive movement of myocardial segments to quantify intraventricular dyssynchrony and to evaluate components of myocardial function, such as longitudinal myocardial shortening, that are not visually assessable. This imaging modality allows comprehensive assessment of myocardial function.
Tables
Variant Estimated Incidence Apical 75%-82% Midventricular 10%-15% Basal or inverted 2%-5% Focal variant 1.5% Other rare atypical variants: Biventricular apical variant Unknown Dysfunction sparing apical tip Unknown Isolated right ventricular variant Unknown Global variants Unknown
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