1.Objective:To discuss incidence,clinical significance and result of bradycardic dysfunction of sinoatrial node in inferior wall acute myocardial infarction(AMI).
2.Methods 9 patients with hyperthyroidism were performed thyroid function test,electrocardioagram,holter monitor ECG and the sinoatrial node function test.They are treated with the tapazole.
4.So, if we simplify this heart a little bit, normally, the sinoatrial node or SA node sends an electrical signal that propagates out through the walls of the heart and contracts both upper chambers.