No notched P waves were detected in right AT. The specificity of notched ... in lead aVR and positive P waves in most of the precordial leads. Migration feature of P-wave polarities in precordial ...

From left to right are the left anterior descending artery ... His electrocardiogram showed atrial arrhythmia, poor R-wave progression in the precordial leads, and ST-T changes. The patient has heart ...

Omniasecure, which was authorized for placement in the heart’s right ventricle, is the world’s smallest defibrillation lead, ...

Several centuries ago, a branch of alchemy called chrysopoeia is said to have explored the possibilities of transforming ...

Sunday’s vote came five months after a first attempt to hold the election was cancelled because of alleged Russian interference in favor of far-right frontrunner Calin Georgescu, since banned ...

LISBON - Portugal's governing centre-right Democratic Alliance (AD) kept its lead in a new opinion poll released on Friday ahead of a May 18 national election, though it was seen falling short of ...

Objective: Precordial ECGs reveal significant intrasubject variability due to the inexact employment of the recommended V 1-V 6 chest landmarks. Also, as per the Einthoven law, the six limb leads ...

Nia-Malika Henderson is a politics and policy columnist for Bloomberg Opinion. A former senior political reporter for CNN and the Washington Post, she has covered politics and campaigns for almost ...