Doppler echocardiography and myocardial dyssynchrony: a practical update of old and new ultrasound technologies
<p>Abstract</p> <p>Morbidity and mortality rates are higher in patients with severe left ventricular (LV) systolic dysfunction and ECG-derived prolonged QRS interval than in those with normal QRS duration. QRS duration is currently used on the grounds that it reflects the presence...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2007-09-01
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| Series: | Cardiovascular Ultrasound |
| Online Access: | http://www.cardiovascularultrasound.com/content/5/1/28 |