Smartwatches and wearable heart monitors can help detect issues such as irregular heart rhythms. But they also have limits ...

The Apple Watch Series 4's transformation from miniature iPhone and fitness tracker to medical device is now complete with the release of the ECG (electrocardiogram) app and irregular heart rhythm ...

Electrocardiogram (ECG) interpretation remains a critical skill in both undergraduate and postgraduate medical education. Despite being one of the most commonly performed diagnostic procedures, the ...

The rhythm is either sinus rhythm or not sinus rhythm. Sinus rhythm refers to the origination of the electrical activity coming from the sinus node — also known as the sinoatrial node, or SA node.

Over 300,000 people die each year in the US due to sudden cardiac death. In many cases, sudden cardiac death is caused by abnormally rapid heart rhythms called tachycardias, which means the heart ...

Scientists have discovered a previously unidentified potassium channel in cardiac cells that regulate the human heartbeat. This could be a significant step towards developing "biological pacemakers" ...

Correspondence to Ricardo Stein, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-903, Brazil; rstein{at}cardiol.br Objectives To evaluate the prevalence of abnormal ECG findings and ...

A description of the electronics in an electrocardiograph and what signals they measure to produce the “leads” on an ECG strip chart or video display. An ECG detects and displays the electrical pulses ...

Scientists at The Ohio State University have made an important discovery that may help save the lives of people with rare and ...