Please assess the completion status of the following clinical trial:

Trial Title: Risk Stratification for Patients Presenting With Acute Pulmonary Embolism (PE)

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

Eligibility Criteria:
Inclusion Criteria:~* \> 18 years old~* Acute PE (diagnosed by pulmonary angiogram, Computed tomography using the DVT/PE protocol, Ventilation/Perfusion (V/Q) scan read as high probability by the radiologist, or (+) lower extremity Doppler ultrasound with symptoms consistent with PE)~Exclusion Criteria:~* Hemodynamic instability (BP \< 90/60, IV pressor support) on admission~* Acute respiratory failure on admission~* Treatment with thrombolytic therapy prior to enrollment

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

Study Arms:
- 1 (Type: None): Patients diagnosed with acute pulmonary embolism were enrolled in this study.

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