…activity; or 75–150 minutes per week of vigorous intensity aerobic activity; or An equivalent combination of moderate and vigorous intensity activity. Muscle strengthening exercise…

…activity. It is based on the subjective physical sensations experienced during exercise, including increased heart rate, increased respiratory rate and depth, increased sweating, and muscle…

…Thus, increased sympathetic activity results in increased heart rate and stronger contractions. Physical exercise increases the venous return to the heart, which results in increased…

…any exercise. The energy cost is expressed as multiples of the resting metabolic rate. For example, 5 METs imply that the energy cost of activity…

…anxiety Depression or psychological distress Loss of confidence in resuming normal activity Difficulty returning to work or recreational exercise Frailty or loss of muscle mass…

…Thus, vasodilators replicate the effects of exercise on coronary arteries, without the need for physical activity. Advantages of regadenoson over adenosine Regadenoson has advantages over…

…Image acquisition and evaluation Stress Imaging : Initially performed using exercise or pharmacologic agents to elevate myocardial oxygen demand (or simulate increased demand using vasodilatory agents…

…dysfunction and sick sinus syndrome Sinus node dysfunction is an umbrella term for conditions that either affect the automaticity of the sinoatrial node or block…

…exercise (chronotropic incompetence). Although agents such as theophylline and terbutaline can increase the sinus rate, there are generally no reliable and safe drugs available for…

…50 beats/min? A: Proceed directly to an exercise ECG test without repeating the resting ECG. B: Repeat the ECG after mild aerobic activity. C:…