Effectiveness of Low -Versus High -Volume High -Intensity Interval Training in Patients With Chronic Heart Failure

Exclusion Criteria

• •1. Based on the Scientific Statement from the American Heart Association: contraindications for exercise Testing and Training. (Fletcher et al., 2013)
• •1. Acute myocardial infarction (MI), within 2 days
• •2. Ongoing unstable angina
• •3. Uncontrolled cardiac tachy or brady arrhythmia with hemodynamic compromise
• •4. Active endocarditis
• •5. Symptomatic severe aortic stenosis
• •6. Decompensated heart failure
• •7. Acute pulmonary embolism, pulmonary infarction, or deep vein thrombosis
• •8. Acute myocarditis or pericarditis
• •9. Acute aortic dissection
• •10. Physical disability that precludes safe and adequate testing or training
• •11. Known obstructive left main coronary artery stenosis
• •12. Hypertrophic obstructive cardiomyopathy with severe resting gradient
• •13. Recent stroke or transient ischemic attack
• •14. Mental impairment with limited ability to cooperate
• •15. Resting hypertension with systolic or diastolic blood pressures \>200/110 mmHg
• •16. Uncorrected medical conditions, such as significant anemia, important electrolyte imbalance, and hyperthyroidism
• •2. Acute decompensated heart failure NYHA class IV