Before revision: Chronic heart failure Musculoskeletal disorders Spinal muscular atrophy: symptoms include exercise intolerance, cognitive impairment and fatigue.
After revision: Inappropriate sinus tachycardia Postural orthostatic tachycardia syndromeChronic heart failure Musculoskeletal disorders Spinal muscular atrophy: symptoms include exercise intolerance, cognitive impairment and fatigue.