Systolic Time-Interval Evaluation by Thermistor Plethysmography during Uninterrupted Dynamic Stress Test in Normals and in Patients with Coronary Artery Disease
Abstract:18 patients with coronary artery disease (CAD) and 21 normal subjects underwent a triangular bicycle exercise test. Systolic time intervals (STI) were calculated at rest and every 2 min during exercise. Under resting conditions, STI were similar in the two groups. During exercise, the ejection time index (ETI), i.e. left ventricular ejection time (LVET) corrected for HR, rose significantly more in CAD patients, as compared to normals. Pre-ejection period (PEP) was also differently affected by exercise in CAD p… Show more
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