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.

Episode Summary

Dr. Warrick Bishop, a practicing cardiologist and patient educator, shares an intriguing case study of a 60-year-old fit and active man who experienced an alarming heart rhythm abnormality during a stress test. Despite having a high coronary calcium score, advanced imaging revealed an unexpectedly positive clinical picture that challenged conventional risk assessment interpretations.

Key Takeaways:

• Lipoprotein(a) or "Lp(a)" is a cholesterol carrier in the bloodstream that is more likely to cause inflammation, blood clotting, and arterial calcification, and can run in families.

• Nicotinic acid (a B-group vitamin) and statins are used to lower lipoprotein(a) levels and manage high cholesterol in at-risk patients.

• During stress testing, the patient developed ventricular tachycardia (VT), a broad complex tachycardia that is considered a cardiac emergency and can be potentially fatal.

• A calcium score over 1,000 in the 90th percentile would typically indicate very high risk, but this patient's CT angiography showed no soft, cholesterol-dominant plaque.

• The absence of soft, non-calcific plaque is significant because this type of plaque is most likely to rupture and cause heart attacks, whereas calcified plaque is more stable and inert.

• Long-term statin therapy, exercise, and niacin treatment likely converted the patient's soft plaque into stable calcified plaque, stabilizing his arterial condition.

• The patient's rhythm abnormality during stress testing was more likely caused by minor electrical dysfunction rather than poor blood flow to the heart muscle.

• Comprehensive CT imaging with both calcium scoring and contrast-enhanced angiography provides more complete diagnostic information than calcium scores alone.