Ten most common rarely appropriate indications in prospective internal validation cohort
| Indication | # | Proportion | |
|---|---|---|---|
| 88 | Routine surveillance (<1 year) of known cardiomyopathy without a change in clinical status or cardiac examination | 7 | 0.19 |
| 10 | Initial evaluation of ventricular function (eg, screening) with no symptoms or signs of cardiovascular disease | 5 | 0.14 |
| 53 | Transient fever without evidence of bacteraemia or a new murmur | 4 | 0.11 |
| 60 | Routine surveillance of known small pericardial effusion with no change in clinical status | 3 | 0.08 |
| 35 | Initial evaluation when there are no other symptoms or signs of valvular or structural heart disease | 2 | 0.05 |
| 36 | Re-evaluation in a patient without valvular disease on prior echocardiogram and no change in clinical status or cardiac examination | 2 | 0.05 |
| 40 | Routine surveillance (<1 year) of moderate or severe valvular stenosis without a change in clinical status or cardiac examination | 2 | 0.05 |
| 48 | Routine surveillance (<3 years after valve implantation) of prosthetic valve if no known or suspected valve dysfunction | 2 | 0.05 |
| 74 | Routine surveillance (<1 year) of HF (systolic or diastolic) when there is no change in clinical status or cardiac examination | 2 | 0.05 |
| 79 | Routine surveillance (<1 year) of implanted device without a change in clinical status or cardiac examination | 2 | 0.05 |