Words to Describe systoles

How systoles often is described ("________ systoles")

• extra
• consecutive
• interpolated
• ineffective
• premature
• ectopic
• normal
• cardiac
• multifocal
• auxotonic
• frequent
• occasional
• abortive
• atrial
• numerous
• successive
• weak
• extraventricular
• ventricular
• alternate
• multiple
• isolated