Life-threatening symptoms such as cardiac arrest and recurrent syncope ... hardware add-on that can record rhythm strips live, as well as handheld heart rhythm recording devices, both to be ...

A junctional rhythm occurs when the electrical activation of the heart originates near or within the atrioventricular node, rather than from the sinoatrial node. Because the normal ventricular ...

When the atrial rate is greater than 100 beats per minute, the rhythm is atrial tachycardia ... tachycardic states can lead to decreased cardiac output and symptoms of congestive heart failure.