Cardiology

Cardiology is the branch of internal medicine dealing with disorders of the heart and blood vessels. The field is commonly divided in the branches of congenital heart defects, coronary artery disease, heart failure, valvular heart disease and electrophysiology.

What is Cardiology?

The term cardiology is derived from the Greek words “cardia,” which refers to the heart and “logy” meaning “study of.” Cardiology is a branch of medicine that concerns diseases and disorders of the heart, which may range from congenital defects through to acquired heart diseases such as coronary artery disease and congestive heart failure.

Structure and Function of the Heart

Artificial Intelligence in Cardiology

Cardiothoracic Surgery

Percutaneous Closure Procedure

Limiting Cardiovascular Risk Using Akkermansia

Cardiac Pharmaceutical Agents

Cardiology Procedures

Heart Disease Biomarkers and Screening Tests

Cardiothoracic Imaging Techniques

Myocardial T1 and T2 Mapping

Hypoplastic Left Heart Syndrome (HLHS)

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How the Heart Pumps Blood

Hidden Signs of Heart Problems

Latest Cardiology News and Research

Poor lifestyle habits nearly double your chance of developing AFib

A large Framingham Heart Study analysis found that adults with poor cardiovascular health scores on the Life’s Essential 8 were nearly twice as likely to develop atrial fibrillation as those with ideal scores. Maintaining healthy lifestyle habits, especially optimal BMI, blood pressure, and glucose, may help reduce AF risk.

2 Jul 2025

Many older adults take aspirin for heart disease prevention without doctor’s advice

Around 1 in 6 older adults take aspirin as their primary method of preventing cardiovascular disease – despite stricter guidelines that no longer always call for it, a study finds.

2 Jul 2025

AI model predicts death from sudden cardiac arrest with greater accuracy than doctors

A new AI model is much better than doctors at identifying patients likely to experience cardiac arrest.

2 Jul 2025

Vaccination plays key role in preventing cardiovascular events after infection

Today, a new ESC Clinical Consensus Statement published in the European Heart Journal discusses the key role of vaccination in preventing cardiovascular events following various viral and bacterial infections.

1 Jul 2025

Engineered protein silences harmful T cells in autoimmune disease

An engineered protein turns off the kind of immune cells most likely to damage tissue as part of Type-1 diabetes, hepatitis, multiple sclerosis, shows a new study in mice.

1 Jul 2025

Study identifies potential way to slow or block progression of age-related macular degeneration

A new study from Washington University School of Medicine in St. Louis identifies a possible way to slow or block progression of age-related macular degeneration, a leading cause of blindness in people over age 50.

24 Jun 2025

Wildfire smoke exposure linked to increased heart failure risk

Long-term exposure to wildfire smoke may increase the risk of heart failure (HF), especially in older adults, women and vulnerable populations, according to a study published today in JACC, the flagship journal of the American College of Cardiology.

23 Jun 2025

Healthy gut microbiome before chemo could help protect breast cancer patients against cardiotoxicity

New research suggests that a healthy microbiome before chemotherapy could help protect breast cancer patients against heart damage, or cardiotoxicity, as a result of cancer therapy.

21 Jun 2025

BMJ investigation raises new concerns over ticagrelor approval trials

In a follow up investigation into the multibillion dollar drug ticagrelor, The BMJ has uncovered fresh concerns, this time in key platelet studies used in its FDA approval.

21 Jun 2025

New ACC guidance helps incorporate pharmacologic weight management strategies into cardiovascular care

The American College of Cardiology has issued a Concise Clinical Guidance (CCG) document to aid clinicians in the use of medication for weight management in patients where treatment may provide cardiovascular benefit.

20 Jun 2025

Immune changes predict heart risks in cancer patients on checkpoint inhibitors

New research has uncovered immune changes in cancer patients that could help identify which patients are most at risk of dangerous heart complications from cancer drugs, known as immune checkpoint inhibitors.

20 Jun 2025

New clinical trial tests non-invasive method to protect hearts during chemotherapy

A simple intervention, similar to the tension applied to the arm during a blood pressure reading, is being tested in a Phase II clinical trial to see if it can help cancer patients treated with common chemotherapy drugs, called anthracyclines, avoid heart failure.

20 Jun 2025

NHCS and Mayo Clinic join forces to advance global cardiovascular care

The National Heart Centre Singapore (NHCS) and Mayo Clinic have collaborated under a Memorandum of Understanding (MOU) to accelerate cardiovascular innovation and research, and to foster knowledge for future cardiovascular care worldwide.

19 Jun 2025

New guidance aims to improve blood clot prevention in chronic limb-threatening ischemia patients

A new statement from leading heart and blood vessel experts in Europe is providing clinical guidance for treatments to prevent blood clots in patients with a serious condition called chronic limb-threatening ischaemia (CLTI), after they have had procedures to restore blood flow in their lower limbs.

19 Jun 2025

Living near microplastic polluted waters linked to higher risk of heart and metabolic diseases

Living in a U.S. coastal county bordered by ocean waters with very high concentrations of microplastics may increase the risk of heart and metabolic diseases, such as Type 2 diabetes, coronary artery disease and stroke.

18 Jun 2025

Heart disease markers may predict future cancer risk

Cancer and heart disease, two leading causes of death worldwide, may be more connected than we previously thought, according to a new UCLA Health study revealing that certain cardiac blood markers can strongly predict future cancer risk-even in people with no history or symptoms of heart disease.

18 Jun 2025

Empagliflozin preserves kidney function in heart attack patients

SGLT2 inhibitors have become a major drug used to treat diabetes, heart failure, and chronic kidney disease.

13 Jun 2025

Prenatal exposure to forever chemicals linked to higher teen blood pressure

Children exposed before birth to synthetic compounds called "forever chemicals" had higher blood pressure during their teenage years, according to new research published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

13 Jun 2025

Sleep apnea found to be more common in young female athletes than expected

According to a new study, presented at the American College of Cardiology (ACC) Care of the Athletic Heart 2025 conference, sleep apnea may be more prevalent in younger female athletes than previously believed, especially among female athletes with higher levels of training.

13 Jun 2025

‘Junk food’ plant diets raise heart risk even if meat is cut out

Research shows that healthy plant-based diets lower cardiac biomarkers, while unhealthy plant foods raise heart disease risk. Key findings from a large study.

11 Jun 2025