EP116: Cardiac Rehabilitation: Back To Exercise

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Podcast Summary Introduction Dr. Warrick Bishop, a practicing cardiologist and author, hosts this episode with Dr. Alistair Begg, a cardiac rehabilitation expert. The episode focuses on safely returning to normal activities and exercise after experiencing a heart event, addressing one of the most common questions patients ask their cardiologists. Key Takeaways: Recovery time after a heart event depends on two factors: the extent of damage to the heart muscle and the invasiveness of the intervention required to treat it. Patients who receive a stent with minimal heart damage may resume normal activities within days, while those who suffer significant heart attacks or require open-heart surgery typically need 4-6 weeks, or even longer than 6 weeks for full recovery. After bypass surgery, the sternum (breastbone) requires approximately 3 months to knit properly, and patients should avoid vigorous chest and arm movements during this healing period to prevent wound complications. Patients should always keep a pillow nearby after heart surgery to brace their chest when coughing or sneezing, as these involuntary actions can disrupt wound healing despite strong surgical wires holding the sternum together. The Borg scale—a perceived level of exertion measuring breathlessness on a scale of 1-10—should guide exercise intensity, with patients targeting a "moderately breathless" level of 6-7 rather than following fixed time or distance targets. Cardiac rehabilitation should combine aerobic exercise (walking, cycling) with muscle-strengthening activities, as hospitalization and surgery cause significant muscle weakness that medications like statins can further exacerbate. Patients should choose exercise routines they enjoy and can easily fit into their daily lives, as adherence is crucial for long-term success. Heavy weightlifting and strenuous activities that significantly elevate blood pressure should be avoided during the first 6 weeks of recovery. Regular exercise is as effective as first-line antidepressant medications for improving mood, making it psychologically beneficial beyond its physical health benefits.