论文部分内容阅读
甲状腺机能减退(下称甲减)对心血管系统的影响,尚未引起人们足够的重视。据报道,甲减性心脏病的发生率约为73%,部分病人可以心脏损害为首发症状。现将甲减所致的心脏损害归纳如下。1.甲减性心肌心包炎:最典型,且常见。主要表现为窦性心率缓慢,心脏扩大,心音低钝,心尖搏动不明显。心包积液可与心肌病并存,也可独立存在。甲减时,甲状腺激素分泌不足,可使心肌的许多酶活性降低,心肌对儿茶酚胺的敏感性降低或
Hypothyroidism (hereinafter referred to as hypothyroidism) on the cardiovascular system, has not aroused enough attention. It is reported that the incidence of hypothyroidism is about 73% of heart disease, some patients can be the first symptom of heart damage. Hypothyroidism now caused by heart damage summarized as follows. Hypothyroidism myocardial pericarditis: the most typical and common. Mainly for the slow sinus heart rate, heart enlargement, low heart sound, apical beat is not obvious. Pericardial effusion may coexist with cardiomyopathy, but also can exist independently. Hypothyroidism, lack of thyroid hormone secretion, can reduce the activity of many myocardial enzymes, decreased myocardial catecholaminergic or