The abnormality, called an increased PR interval, “is fairly common in healthy people. ... A PR interval of less than 200 microseconds is considered normal.

Multiple abnormalities of the PR interval — including prolongation of the PR interval, shortening of the PR interval and variation from beat to beat — can occur; these are discussed in detail ...

Electrocardiographic abnormalities are frequently observed in patients with Fabry's disease. In 1973, Roudebush et al. reviewed the first reported cases of an “abbreviated PR interval” in ...

A common abnormality detected in electrocardiograms that has been thought to be inconsequential is associated with a substantially increased risk of erratic heartbeats, the need for a pacemaker ...

Additional studies are needed to determine appropriate follow-up for individuals found to have prolongation of the PR interval on a routine electrocardiogram." ( JAMA . 2009;301[24]:2571-2577.

PHILADELPHIA—Abnormalities revealed by electrocardiography (ECG) may predict which patients undergoing evaluation for a renal transplant are at higher risk of death, a study found. These ...

The main abnormality found was a prolonged PR interval. In the athletes who were recovered from COVID-19, the mean PR interval was 183.6 milliseconds [ms] (± 32.4 ms) compared with 141.7 ms (± ...

The PR segment is different from the PR interval, ... Although abnormalities of the PR segment are not very common, they can indicate certain cardiac disease states.

The normal PR interval is 110 ms (80–130 ms [5th–95th percentiles]) for infants aged 1 to 6 months and 120 ms (100–140 ms [5th–95th percentiles]) for children aged 6 months to 3 years. 20 ...

“The main message of this paper is that there is an association between this EKG finding and future risk of heart rhythm abnormalities and death.” The PR interval records the time that the electrical ...

Cardiac exam revealed a short PR interval of 70 milliseconds in leads II, III, V2, V4, ... Cardiovascular abnormalities in late-onset Pompe disease and response to enzyme replacement therapy.