precordial lead meaning in Hindi

Examples

1. The sign is often best visualized in lead II and lateral precordial leads.
2. In addition, any two precordial leads next to one another are considered to be contiguous.
3. For the precordial leads, they are " unipolar " and compared to a common lead ( commonly the " Wilson's central terminal " ) and is described below.
4. Looking at the precordial leads, the r wave usually progresses from showing a rS-type complex in V 1 with an increasing R and a decreasing S wave when moving towards the left side.
5. The 12-lead EKG has a total of three " limb leads " and three " augmented limb leads " arranged like spokes of a wheel in the coronal plane ( vertical ) and six " precordial leads " that lie on the perpendicular transverse plane ( horizontal ).
6. In case of type A pre-excitation ( left atrioventricular connections ), a positive R wave is seen in V1 ( " positive delta " ) on the precordial leads of the electrocardiogram, while in type B pre-excitation ( right atrioventricular connections ), a predominantly negative delta wave is seen in lead V1 ( " negative delta " ).