Sinus bradycardia occurs on an ECG when there is a normal upright P wave in lead II ― sinus P wave ― preceding every QRS complex with a ventricular rate of less than 60 beats per minute.

The doctor will measure your heart rate with an electrocardiogram, or EKG/ECG ... persistent bradycardia, she says your doctor may treat it in a few ways. "If medication side effects are causing ...

1 The majority of disorders associated with increased risk of sudden cardiac death (SCD), such as cardiomyopathies and primary electrical diseases, are suggested by abnormal findings present on an ECG ...

Results 94% of rowers had one or more training-related ECG patterns including sinus bradycardia (51%), sinus arrhythmia (55%), and incomplete right bundle branch block (42%). Males were more likely ...

High vagal tone in athletes results in bradycardia and repolarization anomalies on the resting ECG. Bradycardia permits ... as well as the effects of increased vagal tone. Frequently observed ...

The ECG may simply show sinus rhythm or sinus bradycardia. This is different than a first-degree atrioventricular, or AV, block, which shows a prolonged PR interval. Second-degree sinoatrial exit ...