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Over the past two decades the quest for quantitative evaluation of left ventricular function and regional wall motion has escalated, allowing several aspects of myocardial contractile patterns to be quantified, both during stress echocardiography and in the assessment of dyssynchrony. Most of the literature to date has used Tissue Doppler Imaging (TDI) techniques to assess essentially long-axis function...
Dizziness in the upright posture is a common reason to seek medical advice and is often dismissed as benign orthostatic hypotension. We present an unusual case of dizziness in the upright posture due to possible changes in atrioventricular nodal conduction during atrial tachycardia.
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