Sinus tachycardia is indicated on ECG with a normal upright P wave in lead II preceding every QRS complex (indicating that the pacemaker is coming from the sinus node and not elsewhere in the atria) ...

There is clearly a tachycardia with narrow QRS complexes indicating a supraventricular rhythm. The clues to the aetiology are the heart rate of almost exactly 150 / min and the saw tooth waves seen ...

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.

This week the FDA has approved a new smartphone ECG device that is capable of detecting three heart arrhythmias takes the form of the AliveCor KardiaMobile. Designed to detect Atrial Fibrillation ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

If you are a nurse, doctor or other medical professional that deals with cardiac issues or ECG readings, you owe it to yourself and your patients to take an EKG interpretation course. An EKG ...

Juan Benezet-Mazuecos, M.D.; José M. Rubio, M.D.; PH.D., Jerónimo Farré , M.D., PH.D.; Miguel Á. Quinñones, M.D.; Pepa Sanchez-Borque, M.D.; Ester Macía, M.D ...

Clinical conundrum: In the next in our series, Professor Raj Thakkar considers how to manage a patient who presents with apparent tachycardia from a recording on her ‘Fitbit’ wearable device A 32-year ...