4,806 results

... SYMPTOMS. sclerosis, who was seized with paroxysmal tachycardia (heart- rate 170 to 180) one evening. Dyspnea was rather ... 236. Respiratory (sinus) arhythmia. it, consequently accelerates the heart-rate; stimulation of it, on the other hand, slows ...

... following a rate-control strategy and a resting heart rate >110 bpm, appropriate rate-control therapy should be instituted with an initial target of resting heart rate <110 bpm. RImplantable cardioverter defibrillators, cardiac resynchronisation therapy ...

... exercise capacity (VEmax).414 However, oxygen consumption, maximum heart rate, and work capacity all increased significantly. Most studies ... 50% best or predicted - respiratory rate ≥25/min - heart rate ≥110/min - inability to complete sentences in one ...

... given ivabradine. Patients must have a sinus rhythm heart rate ≥75 beats/minute despite maximum tolerated dose of ... HF-REF, NYHA class II-IV, LVEF ≤35%, heart rate ≥70 beats per minute and with a previous ...

... exercise capacity (VEmax).364 However, oxygen consumption, maximum heart rate, and work capacity all increased significantly. Most studies ... 50% best or predicted -- respiratory rate ≥25/min -- heart rate ≥110/min -- inability to complete sentences in one ...

... exercise capacity (VEmax).392 However, oxygen consumption, maximum heart rate, and work capacity all increased significantly. Most studies ... 50% best or predicted -- respiratory rate ≥25/min -- heart rate ≥110/min -- inability to complete sentences in one ...

... which these figures are obtained. variability of the heart rate and blood pressure. Control experiments, using serum from ... withdrawal. He took the blood pres- sure and heart rate of dogs before addiction and at thirty-six ...

... new beta adrenergic blocking agent that slows the heart rate and reduces pumping volume. They noted that timolol ... new beta adrenergic blocking agent that slows the heart rate and reduces pumping volume. They noted that timolol ...

... cardiovascular system by increasing stroke volume and decreasing heart rate at rest. Two years later, Schneider and Ring ( ... 1957) landmark paper that introduced using “percent maximal heart rate reserve” to calculate or express exercise training in- ...

... CHD = coronary heart disease; CVD = cardiovascular disease; HRR = heart rate reserve; MHR = maximal heart rate; PE = rating of perceived exertion; VO, max = maximal ...