CardioNerds (Dr. Dan Ambinder and guest host, Dr. Pooja Prasad) join Dr. Donny Mattia from Phoenix Children’s pediatric cardiology fellowship, Dr. Sri Nayak from the Mayo Clinic – Arizona adult cardiology fellowship, and Dr. Harrison VanDolah from the University of Arizona College of Medicine – Phoenix Med/Peds program for a sunrise hike of Piestewa Peak, followed by some coffee at Berdena’s in Old Town Scottsdale (before the bachelorette parties arrive), then finally a stroll through the Phoenix Desert Botanical Gardens to discuss a thought-provoking case series full of clinical cardiology pearls. Expert commentary is provided by Dr. Tabitha Moe. Episode audio was edited by Dan Ambinder.

They discuss the following case: Cardiology is consulted by the OB team for a 27-year-old female G1, now P1, who has just delivered a healthy baby boy at 34 weeks gestation after going into premature labor. She is experiencing shortness of breath and is found to have a significant past cardiac history, including atrial fibrillation and preexcitation, now with a pacemaker and intracardiac defibrillator. We review the differential diagnosis for peripartum cardiomyopathy (PPCM) and then combine findings from her infant son, who is seen by our pediatric cardiology colleagues and is found to have severe hypertrophic cardiomyopathy (HCM). Genetic testing for both ultimately reveals a LAMP2 mutation consistent with Danon Disease. The case discussion focuses on the differential diagnosis for PPCM, HCM, pearls on Danon Disease and other HCM “phenocopies,” and the importance of good history.

“To study the phenomena of disease without books is to sail an uncharted sea, while to study books without patients is not to go to sea at all.” – Sir William Osler. CardioNerds thank the patients and their loved ones whose stories teach us the Art of Medicine and support our Mission to Democratize Cardiovascular Medicine.

Enjoy this Circulation 2022 Paths to Discovery article to learn about the CardioNerds story, mission, and values.

US Cardiology Review is now the official journal of CardioNerds! Submit your manuscript here.

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