Key Words: Quality Improvement, Echocardiography, Appropriate
Use Criteria, Rarely Appropriate
Guidelines Statement: The systematic review was conducted with
a protocol in accordance with the Preferred Reporting of Items for
Systematic reviews and Meta-Analyses (PRISMA) statement.
Data Availability Statement: The data that support the findings
of this study are available from the corresponding author upon
reasonable request.
Sources of Funding: None
Disclosures: None
Conflicts of Interest: The authors report no relevant conflicts
of interest.
Ethics Approval Statement: This manuscript complies with
ethical standards.
Patient Consent Statement: This manuscript does not utilize
patient data in a form requiring patient consent.