An electrocardiogram (EKG) measures your heart's electrical activity. Find out what an abnormal EKG means and understand your treatment options.

A P wave occurs before each QRS complex (+) with a stable PR interval (0.14 sec). The P wave is positive in leads I, II, aVF, and V4-V6. This is a sinus tachycardia.

Patients with ECG findings consistent with this diagnosis, including peaked T waves, prolonged PR intervals, loss of P waves, widening of the QRS complex, sine-like wave ECG pattern, and asystole ...

ECG Abnormalities and Stroke Incidence Sunil K Agarwal; Elsayed Z Soliman Disclosures Expert Rev Cardiovasc Ther. 2013;11 (7):853-861. AT & Atrial Ectopic ...

The researchers found that elevated depressive symptoms were associated with increased odds of T-wave inversion, after multivariable adjustment (odds ratio, 2.02; P =0.001), while greater trait ...

June 24 -- TUESDAY, June 23 (HealthDay News) -- A slight abnormality in an electrocardiogram (EKG), until now thought to be insignificant, can be a warning sign of future cardiac problems and an ...

According to Johnson Hsieh, the app’s other co-founder, the sensitivity and specificity of DeepHeart were higher than an Apple Watch ECG attachment that has been cleared by the FDA. Cardiogram ...