Table 2.

Inpatient Shock-Related Procedures

All Inpatient Visits (n=259)*Appropriate (n=155)Inappropriate (n=80)
Any procedure (primary or secondary)
 ECG221 (85.3%)144 (92.9%)58 (72.5%)
 Chest x-ray196 (75.7%)124 (80.0%)54 (67.5%)
 Cardiac catheterization196 (75.7%)123 (79.4%)41 (51.3%)
 Echocardiography152 (58.7%)94 (60.6%)41 (51.3%)
 Emergency room visit103 (39.8%)67 (43.2%)28 (35.0%)
 Electrophysiology study/ablation87 (33.6%)61 (39.4%)9 (11.3%)
 Device interrogation67 (25.9%)47 (30.3%)15 (18.8%)
 Stress test42 (16.2%)29 (18.7%)7 (8.8%)
 Lead or device revision28 (10.8%)8 (5.2%)23 (28.8%)
 Percutaneous coronary intervention17 (6.6%)10 (6.5%)4 (5.0%)
 Circulatory support9 (3.1%)7 (4.5%)0 (0.0%)
 Heart/pericardium operations5 (1.9%)3 (1.9%)2 (2.5%)
 Cardioversion4 (1.5%)1 (0.6%)2 (2.5%)
Primary procedure
 Cardiac catheterization33 (12.7%)20 (12.9%)6 (7.5%)
 Electrophysiology study/ablation21 (8.1%)15 (9.7%)2 (2.5%)
 Percutaneous coronary intervention8 (3.1%)4 (2.6%)5 (2.5%)
 Lead or device revision11 (4.2%)2 (1.3%)9 (11.3%)
 Heart/pericardium operations5 (1.9%)3 (1.9%)2 (2.5%)
 Circulatory support5 (1.9%)4 (2.6%)0 (0.0%)
  • * Includes shock events of indeterminate type.