Please assess the completion status of the following clinical trial:

Trial Title: ECT/Succinylcholine: Biochemical, Serum and Cardiovascular Changes

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: CASE_ONLY
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~1. A male or non-pregnant female aged 18 years and older~2. American Society of Anesthesiologists physical status 1, 2, 3~3. Scheduled to undergo electroconvulsive therapy under general anesthesia~4. Have given written informed consent~Exclusion Criteria:~1. Pregnant or nursing~2. Any patient in the study investigators opinion who may not be suitable for research.

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

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