Table 1

Hospital interventions leading to iatrogenic complications

Type of interventionComplications
No.% Major
Drugs20819
    Nitrates2615
    Digoxin1533
    Lidocaine1513
    Aminophylline157
    Quinidine/disopyramide/procainamide1315
    Heparin/warfarin1354
    Penicillins1010
    Benzodiazepines100
    Antihypertensives1030
    Propranolol944
    Other and multiple7215
Diagnostic and therapeutic procedures17528
    Cardiac catheterization45
    Intravenous therapy34
    Urinary tract catheterization10
    Other (e.g. arteriography, peritoneal dialysis, use of nasogastric tube, Swan-Ganz catheterization, or hemodialysis)86
    Miscellaneous11421
    Falls35
    Other (e.g. transfusion, diet management, transportation, or nursing procedures)79
Total complications49722