Electrical conduction in the heart produces a heartbeat; electrical signals are sent to the heart muscle upon each contraction, causing the heart to pump blood. These electrical impulses are recorded by an electrocardiogram (ECG), which makes it possible to evaluate electrical conduction and cardiac rhythm. ECG is a non-invasive technique used to assess pacemaker function and perioperative heart health. Ten electrodes are used in the 12-lead ECG, the gold standard for diagnosing cardiac illness and anatomy, to record the electrical activity of the heart from various perspectives. With wireless data transmission to the cloud, this technology is now included into emergency and ambulance situations, streamlining processes and improving signal quality. The purpose of this observational study is to examine 12-lead electrocardiogram data for better clinical application and diagnosis.
Adults 18~65 years of age
Fluent in either Taiwanese/Chinese/English.
Pregnancy
Refusal to give informed consent
Candidate for coronary bypass surgery or valves surgery or other cardiac surgery
Participants with diagnosed arrhythmia, ischemic heart disease or congestive heart failure
Participants without diagnosed arrhythmia, ischemic heart disease, congestive heart failure or pending for all kinds of heart surgery.
Case-only
Prospective
Not listed
ECG change related to position
ECG ST segment elevation or depression might be attributed to varying body postures. The ST segments\' change to baseline will be compared by the investigators.
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