Health and Medicine | MedBlog | UT Southwestern Medical Center

Commotio cordis: NFL player’s collapse spotlights rare heart phenomenon

Commotio cordis is the rarest form of cardiac arrest – when a healthy heart is stopped by a blow to the chest in between heartbeats. Mark Link, M.D., the country's foremost expert on commotio cordis, explains how athletes can protect themselves from the risk.

Mark Link, M.D.

February 8, 2023

AED primer: How to use the portable heart-shocking device to save a life

Knowing how to use an automated external defibrillator, or AED, might save the life of someone having a heart attack.

Mark Link, M.D.

December 7, 2021

New AFib trials show an effective way to improve patients’ outcomes

Atrial fibrillation, the most common type of heart arrhythmia, might lead to heart failure, stroke, and other serious conditions. But new trials show reduced mortality and hospitalization rates are possible for patients who undergo catheter ablation treatment.

Mark Link, M.D.

September 24, 2018

Dr. Link’s perspective: Why family matters for hypertrophic cardiomyopathy care

Hypertrophic cardiomyopathy, or HCM, is a genetic heart condition that affects about one in 500 people nationwide. Learn how accurate diagnoses of this dangerous disease and a Plano mother’s determination saved her life and that of her son.

Mark Link, M.D.

September 17, 2018

Her own best advocate: Lisa’s story of hypertrophic cardiomyopathy

When Lisa Hopkins was diagnosed with HCM, her search for a cardiologist led her to Dr. Link in Boston. Thirteen years later, they reunited in Dallas.

Mark Link, M.D.

February 18, 2017

A cardiology powerhouse – and now a community resource

Meet our Cardiology leaders and learn how they’re reaching out to physicians in the community to enhance referral access and become the go-to resource for specialized heart care.

Pradeep Mammen, M.D. / Mark Drazner, M.D. / Ben Levine, M.D. / Mark Link, M.D. / Neelan Doolabh, M.D.

October 6, 2016