From what I can find they extended the PR interval from a normal.12-.2 to indefinite.
The PR interval describes the time from the beginning of the P wave (atria contacting) to the beginning of the R wave (ventricle contracting).
Longer than a .2 interval is described as a 1st degree heart block. Its associated with a decreased cardiac output. But is usually not noticed by the patient.
By itself its not a big deal. But if it progressed it can be a really big deal leading to various heart blocks.
From what I can find they extended the PR interval from a normal.12-.2 to indefinite.
The PR interval describes the time from the beginning of the P wave (atria contacting) to the beginning of the R wave (ventricle contracting).
Longer than a .2 interval is described as a 1st degree heart block. Its associated with a decreased cardiac output. But is usually not noticed by the patient.
By itself its not a big deal. But if it progressed it can be a really big deal leading to various heart blocks.