1. Of or relating to or happening during an extrasystole

See also: extrasystole

• Spinacia
• Spinacia oleracea
• spinal
• spinal accessory
• spinal anaesthesia
• spinal anaesthetic
• spinal anesthesia
• spinal anesthetic
• spinal canal
• spinal column
• spinal cord
• spinal curvature
• spinal fluid
• spinal fusion
• spinal nerve
• spinal puncture
• spinal tap
• spinal vein
• spinally
• spindle
• spindle horn
• spindle tree
• spindle-legged
• spindle-shanked
• spindle-shaped