P Wave Analysis in Coronary Artery Disease: An Electrocardiographic-Angiographic and Hemodynamic Correlation
1974
An electrocardiographic-angiographic-hemodynamic correlation was conducted in 136 patients undergoing diagnostic coronary angiography. Eighty-four subjects had coronary artery disease (vessel narrowing greater than 50 percent) and were compared to 52 subjects without significant vessel obstruction (narrowing less than 50 percent). Left atrial enlargement occurred more commonly in subjects with significant coronary artery disease (p> 0.001). Patients with abnormal ventricular contrac tility or ventricular aneurysms had a significantly higher incidence of left atrial enlargement than those with normal contractility (p
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