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The cardiovascular system is comprised of the heart and the network of arteries, veins, and capillaries that carries blood throughout the body. The average adult male has between 5-6 liters of blood while the average adult female has 4-5 liters. Blood transports oxygen and essential nutrients to all of the living cells in the body, and also carries waste products from the tissues to the systems of the body through which they are removed.
Updated: 48 min 32 sec ago

How do alcohol and caffeine affect A-fib?

Sat, 03/25/2017 - 10:00
Learn how caffeine and alcohol may affect the heart and if they are triggers for A-fib. Is it safe to consume alcohol and caffeine with A-fib?

Diabetes: Heart attack risk due to loss of small blood vessels around the heart

Fri, 03/24/2017 - 14:00
Study suggests that the higher risk of heart attack in diabetes is due to the loss of small blood vessels around the heart, and it proposes a gene therapy.

Catheter ablation for A-fib: What to expect

Fri, 03/24/2017 - 13:00
A catheter ablation is an invasive procedure used to correct an irregular heartbeat. In this article, find out the risks, benefits, and how to prepare.

Atrial fibrillation: Natural treatments, remedies, and tips

Fri, 03/24/2017 - 11:00
Learn about A-fib and the natural treatments available. What herbs and supplements may be used to treat A-fib and what substances should be avoided?

Moderate drinking linked to lower risk of some - but not all - heart conditions

Fri, 03/24/2017 - 07:00
Moderate drinking is associated with a lower risk of several, but not all, cardiovascular diseases, finds a large study of UK adults published by The BMJ.

Does boosting "good" cholesterol really improve your health?

Fri, 03/24/2017 - 07:00
A new review addresses the mysteries behind "good" HDL cholesterol and why boosting its levels does not necessarily provide protection from cardiovascular risk for patients.

Novel link between unhealthy hearts and dementia

Thu, 03/23/2017 - 07:00
Researchers from National University Health System (NUHS) have discovered a link between cardiac diseases and brain dysfunction.

'Spray painting' shows promise as minimally invasive way to patch up the heart

Wed, 03/22/2017 - 14:00
Spray painting biomaterials shows promise as a minimally invasive way to create a regenerative patch on the heart to repair tissue after heart attack.

A simple fix to avoid some unnecessary coronary stents

Wed, 03/22/2017 - 13:00
Physician researchers at Thomas Jefferson University suspect that some cases of coronary artery spasm go unrecognized and are incorrectly treated with stents.

A-fib with RVR: Information, treatment, and management

Wed, 03/22/2017 - 07:00
In this article, learn about the most common rhythm disorder of the heart, including how to reduce the risk of stroke and heart failure.

Coffee shops, ATMs may be ideal locations for lifesaving AEDs

Wed, 03/22/2017 - 07:00
Community coffee shops and automated teller machines, or ATMs, might be ideal locations for public access to automated external defibrillators (AEDs), according to new research in the American...

Atrial fibrillation triggers: What can lead to an A-fib attack?

Tue, 03/21/2017 - 13:00
In this article, learn about atrial fibrillation triggers, tips that may help to avoid triggers, lifestyle tips, and what may cause atrial fibrillation.

A-fib and exercise: Health benefits and risks

Tue, 03/21/2017 - 07:00
How can someone with atrial fibrillation keep fit safely? In this article, we look at the best methods to reduce symptoms and improve heart health.

Closing left atrial appendage reduces stroke risk from AFib

Tue, 03/21/2017 - 07:00
For patients with atrial fibrillation (AFib), a common heart rhythm disorder, closing the area of the heart known as the left atrial appendage as an add-on procedure during cardiac surgery was...

Heart procedure linked with bleeding in the brain, neurological impairment

Tue, 03/21/2017 - 07:00
Small leakages from blood vessels in the brain, known as microbleeds, increase with age and are associated with cognitive decline.

Atrial fibrillation patients may safely discontinue blood thinners after successful ablation

Tue, 03/21/2017 - 07:00
Atrial fibrillation (AF) is a quivering or irregular heartbeat that can lead to blood clots, stroke, heart failure and other cardiovascular complications, and it is estimated to afflict nearly...

Self-expanding TAVR as good as surgery in intermediate-risk patients

Tue, 03/21/2017 - 07:00
Two-year data reveal no difference in the combined rate of stroke and death from any cause when comparing the use of self-expanding transcatheter aortic valve replacement (TAVR) with standard...

Guidelines differ on recommendations of statin treatment for African-Americans

Tue, 03/21/2017 - 07:00
Approximately 1 in 4 African American individuals recommended for statin therapy under guidelines from the American College of Cardiology/American Heart Association are no longer recommended for...

High-risk pulmonary embolism patients often go without most effective treatments

Tue, 03/21/2017 - 07:00
Pulmonary embolism (PE), a blood clot in the lungs which causes shortness of breath and chest pain, is the third leading cardiovascular cause of death in the United States with more than 100, 000...

New blood thinner better at preventing recurrent blood clots than aspirin

Tue, 03/21/2017 - 07:00
An international research team with prominent Canadian leadership has found that the blood thinner rivaroxaban is as safe as aspirin, and more effective at preventing recurrence of life-threatening...

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