Background Chronic total occlusion (CTO) often triggers collateral coronary development, yet the relationship between ...

A disorder of the heart muscle. In this condition, the wall of the heart weakens, thickens or stiffens. The heart normally circulates blood around the body without pumping tears leading to a lack of ...

Heart disease refers to any problem affecting the heart, such as coronary artery disease, arrhythmia, and heart failure. Symptoms and treatments depend on the type of heart disease someone has. Heart ...

Cardiomegaly means your heart is bigger than typical, usually because the muscle thickens or the chambers dilate from working harder due to conditions like high blood pressure, heart valve problems, ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Ebony Howard is a certified public ...

Hypertrophic cardiomyopathy (HCM) is a prevalent inherited cardiac disorder marked by left ventricular hypertrophy and hypercontractility. This excessive mechanical workload creates an energetic ...

Infiltrative cardiomyopathies comprise a broad spectrum of inherited or acquired conditions caused by deposition of abnormal substances within the myocardium. Increased wall thickness, inflammation, ...

The authors have declared no conflicts of interest. The authors conducted a multicentre prospective study including two independent cohorts of adult surgical patients: a discovery cohort (n=164) and a ...