Evaluation of the relationship between left cardiac function and left ventricular remodeling in patients with myocardial infarction by gated cardiac blood pool imaging 放射性核素显像评价心肌梗死左心功能及其与左心室重构的关系
2.
One possible mechanism is that the valve of the veins in the scrotum becomes defective . this results in blood pooling in the vein . inefficient blood flow causes the veins to enlarge and form a varicocele 而精索静脉曲张产生的原理，其中一个原因可能是由于阴囊内的静脉活瓣失去功效，导致血液于静脉积聚，令静脉扩大并做成曲张。
