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The short-term effectiveness of chest pain (CP) units for patients (pts) presenting with CP without ECG changes has been demonstrated. However, up to 30% of these pts may return with CP in the next year. We hypothesized that an immediate negative (neg) angiogram (cath) would result in decreased subsequent medical care for CP compared to a neg exercise treadmill test (ETT).Methods: We prospectively...
Background: The radial artery (RA) is now employed more frequently for coronary artery bypass grafting surgery (CABG). Reliability of Allen test for predicting hand circulation after RA removal has not been confirmed.Methods: Predictability of Allen test for hand circulation was studied in 48 patients (7 females, age 64 +/- 10 year [mean +/- S.D.] who underwent CABG with or without RA removal. The...
Cardiac troponin T (TnT) has shown prognostic value in chest pain (CP) patients (pts) with ischemic ECG changes. However, in ''low risk'' CP pts who undergo expedited evaluation in chest pain units, little is known about the diagnostic and prognostic value of TnT.Methods: ''Low-risk'' CP pts were defined as having <7% MI risk (Goldman et al: NEJM 1988; 318: 797) with no new ST/T changes. We prospectively...
Hypothesis Pulmonary Insufficiency (PI), is severe when diastolic flow reversal (DFR), is demonstrated by color or PW Doppler in either the left or right pulmonary arteries (RPA).Background: Chronic severe PI causes right ventricular dilation and may cause RV dysfunction. In pts with severe PI after repair of Tetralogy of Fallot (TOP), pulmonary valve replacement reduces RV size and improves exercise...
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