The axis of the ECG is the major direction of the overall electrical activity of the heart. ... (R for right arm) is at +30 degrees; the positive of lead aVR is actually at -150 degrees.

HeartBeam (NASDAQ: BEAT) announced that its synthesized 12-lead ECG technology met clinical endpoints in the VALID-ECG pivotal study, achieving a 93.4% diagnostic agreement with standard 12-lead ...

The Normal ECG. A normal ECG contains waves, intervals, segments and one complex, as defined below. Wave: A positive or negative deflection from baseline that indicates a specific electrical event ...

A small study suggests breast implants may interfere with the quality of ECG readings, leading to false-positive abnormalities. Researchers led by Sok-Sithikun Bun, MD (Princess Grace Hospital, Monaco ...

The analysis of several hypothetical options for adding 12-lead ECG to the current screening standard, ... compared with $27 000 per QALY saved if referral were prompted only by a positive ECG.

This can be done by identifying people with a confirmed positive lead‑I ECG for atrial fibrillation who subsequently had a 12‑lead ECG that was negative because the atrial fibrillation had stopped.

"The EKG criteria for diagnosing left ventricular hypertrophy have a very poor sensitivity," says Mohamad Sinno, M.D., cardiology fellow at Henry Ford Hospital and lead author of the study. "So ...