Acetylcholine (ACh) rechallenge may be a novel method to improve detection of coexisting coronary spasm endotypes, and at the same time, assess the treatment response to nitrate-based therapies, a new ...

During pulsed field ablation (PFA) for atrial fibrillation (Afib or AF), the additional creation of mitral isthmus ablation lines often led to vasospasm of the neighboring left circumflex artery, ...

A team of researchers from Toho University has uncovered a potential new use for a naturally occurring compound, schisandrin A, found in the traditional Chinese medicinal plant Schisandra chinensis.

DEAR DR. ROACH: I am a 71-year-old male. I had a heart attack at age 50, and my doctor inserted four stents in my heart. I was overweight at that time, and the doctor told me if I do not change my ...

Dear Dr. Roach: I am a 71-year-old male. I had a heart attack at age 50, and my doctor inserted four stents in my heart. I was overweight at that time, and the doctor told me if I do not change my ...

A local injection of lidocaine during dental treatment possibly induced a coronary artery spasm, potentially resulting in a 50-year-old man's heart attack, according to a case report published April 3 ...