Please assess the completion status of the following clinical trial:

Trial Title: Ephedrine vs Phenylephrine - ECG Changes

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. Able to give written informed consent~2. \>37/40 weeks gestation~3. Singleton pregnancy~4. Elective caesarean section under spinal anaesthesia~5. In good general health (American Society of Anesthesiology Category 1 or 2, fit and well or with mild systemic disease that has no impact on physical activity )~Exclusion Criteria:~1. Circulatory disease (eg pre-existing hypertension)~2. Cardiac disease/medications (e.g. angina, cardiomyopathy, B Blocker medication)~3. Pregnancy related disease (eg pre-eclampsia)~4. Diabetes pre-existing the pregnancy~5. Hyperthyroidism~6. Renal Disease~7. Closed-angle glaucoma~8. Patients on monoamine oxidase inhibitors~9. In active labour~10. Emergency caesarean section~11. Fetal abnormalities~12. Contraindications to spinal anaesthesia~13. Height \>6 feet/180cm / Height \<5 feet/150cm~14. Body mass index (BMI) \<19 or \>35

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- phenylephrine infusion (Type: ACTIVE_COMPARATOR): None
- Ephedrine infusion (Type: ACTIVE_COMPARATOR): None

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