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, presents a compelling case study titled "What Could Have Happened If," highlighting the critical importance of proper cardiac risk assessment. The episode tells the story of Conrad, a 54-year-old man whose wife Donna's insistence on comprehensive cardiac imaging led to two life-saving diagnoses that standard stress testing had missed.

Key Takeaways:

• Stress tests in asymptomatic patients often yield low-yield results and may provide false reassurance when normal, as they only detect current blockages rather than assessing arterial health and future risk.

• Cardiac CT imaging allows direct visualization of artery health and plaque burden, providing superior risk stratification compared to stress testing, and is recommended in preventative guidelines by the European and American societies but not yet in Australia.

• Conrad's stress echocardiogram appeared normal but missed significant bilateral pulmonary embolism (blood clots in both lungs) that was only discovered through cardiac CT imaging during contrast injection.

• Women often serve as primary drivers of preventative health measures in partnerships, while men tend to neglect preventative health despite their willingness to maintain equipment like outboard motors.

• Cardiac CT imaging carries a radiation dose equivalent to a mammogram, which Dr. Bishop considers reasonable for a preventative screening strategy in a high-risk population.

• Dr. Bishop uses a two-stage cardiac CT protocol: first scanning without contrast to detect calcium, then injecting contrast only if abnormalities are present, minimizing unnecessary radiation exposure.

• Conrad's coronary arteries showed no focal narrowing or blockages (consistent with the stress echo) but displayed extensive non-calcific plaque with arterial remodeling, indicating very high risk over 5-10 years despite the normal stress test.

• Family history of clotting disorders in Conrad's mother and brother raised suspicion of inherited thrombophilia that contributed to his pulmonary embolism.

• Following diagnosis, Conrad's treatment intensified significantly, including aggressive LDL cholesterol reduction to less than 1.4 mmol/L (below current European Society of Cardiology guidelines), blood pressure management, weight loss, and lifelong anticoagulation.

• Without Donna's proactive advocacy for comprehensive imaging, Conrad would likely have remained falsely reassured by his normal stress test while facing two potentially fatal conditions.