What Is Pulsus Bigeminus

Pulsus bigeminus is a cardiovascular phenomenon characterized by groups of two heartbeats close together followed by a longer pause. The second pulse is weaker than the first. Look for a pattern of what appears to be a relatively normal QRS complexes, each followed by a smaller, abnormal one.

What causes pulsus bigeminus?

Pulsus bigeminus is a cardiovascular phenomenon, in which two heartbeats occur close to each other followed by a long pause. The second pulse is weaker than the first, and it is caused by premature contractions after every other beat, usually of the ventricles.

What is Pulsus Trigeminus?

A pulse in which the beats occur in trios, a pause following every third beat. Synonym(s): pulsus trigeminus.