Clinical surveillance and medical therapy in asymptomatic patients can be considered, and includes appropriate hydration, avoidance of diuretics, replacement of vitamin D
[scielo.mec.pt]
[…] are termed ventricular bigeminy PVCs that occur at intervals of 2 normal beats to 1 PVC are termed "PVCs in trigeminy" Three premature ventricular grouped together is termed
[en.wikipedia.org]
An 83-year-old Caucasian man presented to an emergency department with palpitations and was found to have atrial fibrillation.
[ncbi.nlm.nih.gov]