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2. Exercise intolerance - Wikipedia

   en.wikipedia.org/wiki/Exercise_intolerance

   Heart failure: Exercise intolerance is a primary symptom of chronic diastolic heart failure. [13] Cardiac arrhythmia; Aortic valve insufficiency; Pulmonary artery hypertension: PAH has the following symptoms; dyspnea and fatigue, these systems consequently contribute to exercise intolerance. [14]

3. Chronotropic incompetence - Wikipedia

   en.wikipedia.org/wiki/Chronotropic_incompetence

   50% among people with heart failure Chronotropic incompetence ( CI ) is the inability of heart rate to increase as expected in response to exercise . The condition can be defined in different ways and occurs in various diseases.

4. Benefits of physical activity - Wikipedia

   en.wikipedia.org/wiki/Benefits_of_physical_activity

   Other studies have shown that exercise-based rehabilitation at a moderate intensity in heart failure patients improves cardiorespiratory fitness and increases both exercise endurance capacity and VO2max (12–31% increase). [15] More recent studies have examined the effects of high-intensity exercise on patients with heart failure.

5. Cardiovascular fitness - Wikipedia

   en.wikipedia.org/wiki/Cardiovascular_fitness

   Cardiovascular fitness is a component of physical fitness, which refers to a person's ability to deliver oxygen to the working muscles, including the heart.Cardiovascular fitness is improved by sustained physical activity (see also Endurance Training) and is affected by many physiological parameters, including cardiac output (determined by heart rate multiplied by stroke volume), vascular ...

6. Heart failure - Wikipedia

   en.wikipedia.org/wiki/Heart_failure

   Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome caused by an impairment in the heart's ability to fill with and pump blood.. Although symptoms vary based on which side of the heart is affected, HF typically presents with shortness of breath, excessive fatigue, and bilateral leg swelling. [3]

7. Management of heart failure - Wikipedia

   en.wikipedia.org/wiki/Management_of_heart_failure

   Sleep apnea is an under-recognized risk factor for heart failure. Uncontrolled sleep apnea may increase the risk of heart failure by up to 140%. [4] Weight reduction – through physical activity and dietary modification, as obesity is a risk factor for heart failure and left ventricular hypertrophy. Effective weight management has been shown ...