A 76-year-old woman presents with a persistently rapid heart rate that she attributes to her pacemaker. What does the ECG ...

One day he noticed some tingling in his fingers. He thought it might be from all the hours typing at work, but then it ...

Remember to apply these techniques to both the atrial rate, which is measured by the rate of the P wave, and the ventricular rate, which is measured by the rate of the QRS complex. Read ...

D-Wave Quantum shares popped Wednesday, along with other quantum computing stocks, after the company claimed to achieve a breakthrough.

D-Wave shares are likely to remain on watchlists Tuesday after surging to a multi-year high as investors continued to pile ...