Please assess the completion status of the following clinical trial:

Trial Title: RoBotic TCD Ultrasound BubbLe Study Compared to Transthoracic Echocardiography for Detection of Right to Left Shunt

Study Design Characteristics:
- Allocation: None
- Intervention Model: SEQUENTIAL
- Observational Model: None
- Primary Purpose: DIAGNOSTIC
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria TTE Main Study:~1. Subject 18 years of age and older.~2. Subject presents with a clinical condition characterized by neurological signs and symptoms that, in the opinion of the investigator, include embolic stroke or transient ischemic attack (TIA) in the differential diagnosis.~3. Scheduled for a transthoracic echocardiograph (TTE) study with agitated saline contrast (bubble study) per standard of care within ±30 days of informed consent.~4. Subject is able to successfully perform a Valsalva Maneuver (VM).~5. Subject or Legally Authorized Representative has the ability to provide informed consent and comply with the protocol.~Exclusion Criteria TTE Main Study:~1. Subject has undergone a right to left shunt (RLS) or patent foramen ovale (PFO) closure.~2. Female who is pregnant or lactating at time of admission~3. Subjects who underwent partial or full craniotomy/craniectomy within the past 6 months.~4. Subjects who have a physical limitation preventing TCD headset placement~Inclusion Criteria TEE Sub-Study (after first 150 subjects in Main TTE study enrolled):~1. Subject 18 years of age and older.~2. Subject presents with a clinical condition characterized by neurological signs and symptoms that, in the opinion of the investigator, include embolic stroke or TIA in the differential diagnosis.~3. Scheduled for a transesophageal echocardiograph (TEE) study with agitated saline contrast (bubble study) per standard of care within ±30 days of informed consent.~4. Subject is able to successfully perform a Valsalva Maneuver (VM).~5. Subject or Legally Authorized Representative has the ability to provide informed consent and comply with the protocol.~Exclusion Criteria TEE Sub-Study (after first 150 subjects in Main TTE study enrolled):~1. Subject has undergone a right to left shunt (RLS) or patent foramen ovale (PFO) closure.~2. Female who is pregnant or lactating at time of admission~3. Subjects who underwent partial or full craniotomy/craniectomy within the past 6 months.~4. Subjects who have a physical limitation preventing TCD headset placement.

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

Study Arms:
- NeuralBot Investigational System/TTE Std of Care (Type: EXPERIMENTAL): Investigational Robotic Transcranial Doppler (TCD)/TTE Std of Care

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