Please assess the completion status of the following clinical trial:

Trial Title: Impact of Septal Vs Apical Pacing on Right and Left Ventricular Performance

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: DIAGNOSTIC
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* Have been implanted with an Accent MRI pacemaker and Tendril MRI leads.~* Have an RV lead implanted apically (group A) or septally (Group B)~* Are RV paced for \<50% of the time (groups A2 and B2)~* Are RV paced for \> 50% of the time (Groups A1 and B1)~* Are ≥ 18 years of age.~* Are able to provide written informed consent.~* Are willing and able to comply with the prescribed follow-up tests and schedule of evaluations.~Exclusion Criteria:~* Have permanent atrial fibrillation with preserved intrinsic conduction~* Have a non-MRI compatible device or material implant (e.g., intracranial aneurysm clip, non-MRI compatible devices or material, metals or alloys, etc.).~* Have a lead extender, plug or adaptor.~* Do not have an RV lead implanted apically or septally.~* Are eligible for groups A1 or B1 but appropriate group already has 20 patients enrolled.~* Are eligible for groups A2 or B2 but appropriate group already has 5 patients enrolled~* Are currently participating in another device or drug investigation which includes an active treatment arm.~* Are pregnant or planning to become pregnant during the duration of the study.~* Have a life expectancy of less than 12 months from Screening due to any life-threatening condition.~* Are contraindicated for an MRI scan due to any other reason.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Septal RV lead with >50% pacing (B1) (Type: EXPERIMENTAL): Cardiac MRI with pacemaker stimulation
- Septal RV lead with <50% pacing (B2) (Type: EXPERIMENTAL): Cardiac MRI with and without pacemaker stimulation
- Apical RV lead with >50% pacing (A1) (Type: EXPERIMENTAL): Cardiac MRI with pacemaker stimulation
- Apical RV lead with <50% pacing (A2) (Type: EXPERIMENTAL): Cardiac MRI with and without pacemaker stimulation

Based on this trial design, predict the completion outcome and termination type (if applicable).