Pocket Nurse® ECG Ruler (0)No Reviews yet Pocket Nurse® ECG Ruler SKU: DG028219 $4.52 Delivery Options: Qty -+ Add to Cart Need Installation, Service or Repairs? Call Service Department at (877) 593-6011 Description Pocket Nurse® ECG RulerMeasures heart rate and interval timesStandard interval times on ruler for referenceColor: Clear Description Back DescriptionPocket Nurse® ECG RulerMeasures heart rate and interval timesStandard interval times on ruler for referenceColor: Clear Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review