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2003 National Healthcare Quality Report

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Median time to PTCA. Median time from arrival to percutaneous transluminal angioplasty (PTCA) in patients with ST segment elevation or left bundle branch block (LBBB) on the electrocardiogram (ECG) performed closest to hospital arrival time.

Measure Source

Centers for Medicare and Medicaid Services, Health Care Quality Improvement Program (HCQIP) Quality Indicator.


1.41a Mean and median time to PTCA, United States, 1999-2000.

1.41b Mean and median time to PTCA, by state, 1999-2000.

Data Source

Centers for Medicare and Medicaid Services, Medicare Quality Improvement Organization Program. Data are from a systematic random sample of up to 800 inpatient records per state.


Medicare discharges meeting all three of the following criteria:

Principal diagnosis of acute myocardial infarction (AMI, ICD-9 codes 410.00, 410.01, 410.10, 410.11, 410.20, 410.21, 410.30, 410.31, 410.40, 410.41, 410.50 410.51, 410.60, 410.61, 410.70, 410.71, 410.80, 410.81, 410.90, 410.91).

ST segment elevation, ST elevation in 2 or more contiguous leads or LBBB on the ECG performed closest to the hospital arrival, or chest pain or other AMI symptoms within the 12 hours prior to arrival.

PTCA performed within 24 hours after arrival.

Excludes patients transferred to another acute care hospital on day of admission, patients received in transfer from another hospital or another emergency department, patients discharged or expired on day of admission and patients with unknown admission source. This measure is also a Joint Commission on Accreditation of Healthcare Organizations core measure.

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