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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: 2 min 24 sec ago

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...

Lifestyle intervention leads to 10-point drop in systolic blood pressure

Tue, 03/21/2017 - 07:00
In the first randomized, double-blinded trial of an online behavioral intervention for high blood pressure, participants in web-based lifestyle counseling reduced their systolic blood pressure (the...

Could new markers identify patients at high risk of AFib recurrence after ablation?

Mon, 03/20/2017 - 14:00
A study found that atrial fibrillation was more likely to recur following ablation therapy in patients with low levels of three microRNAs in their blood.

Study suggests new drug alongside statins can significantly cut cholesterol

Mon, 03/20/2017 - 13:00
A new class of cholesterol-lowering drug has been found to help patients cut their risk of cardiovascular disease, stroke and heart attack.

High uric acid levels in young children may result in higher blood pressure later on

Mon, 03/20/2017 - 07:00
A new article published in the American Journal of Hypertension finds that very young children with increased uric acid levels had higher blood pressure at 3 years of age.

Immune cell drives heart failure in mice

Mon, 03/20/2017 - 07:00
A new study in mice reveals that eosinophils, a type of disease-fighting white blood cell, appear to be at least partly responsible for the progression of heart muscle inflammation to heart failure...

Hard, not soft, plaque buildup may predict risk of heart attack

Sun, 03/19/2017 - 07:00
New research could change how we determine heart attack risk, as the buildup of soft atherosclerotic plaque seems to play a key role.

Living with AFib: Tips and outlook

Sun, 03/19/2017 - 07:00
In this article, learn about AFib and the recommended lifestyle changes a person may make. What does AFib do to the body and how might it be treated?

Study details death risks associated with long-term antiplatelet therapy

Fri, 03/17/2017 - 07:00
A study by a multi-institutional research team has tracked the long-term incidence of death following ischemic and bleeding events occurring in patients more than one year after placement of a...

Statin timing and dosage may improve heart surgery outcomes

Fri, 03/17/2017 - 07:00
Patients on statins should not stop taking the cholesterol-lowering medication before heart surgery - even on the day of surgery, according to an article posted online in The Annals of Thoracic...

Immune cell may turn heart inflammation into heart failure

Thu, 03/16/2017 - 15:00
New research examines the role of a type of white blood cells called eosinophils on heart inflammation, dilated cardiomyopathy, and heart failure in mice.

Vitamin E may decrease the risk of acute kidney injury after coronary catheterization

Thu, 03/16/2017 - 13:00
Acute kidney injury is quite a common adverse effect that associates with coronary angiography and percutaneous coronary interventions.

Delirium is associated with 5-fold increased mortality in acute cardiac patients

Thu, 03/16/2017 - 13:00
Delirium is associated with a five-fold increase in mortality in acute cardiac patients, according to research published in European Heart Journal: Acute Cardiovascular Care.

AFib surgery: Types, risks, and what to expect

Wed, 03/15/2017 - 07:00
In this article, learn what atrial fibrillation is, how AFib is treated, the different surgical procedures available, and the risks involved.

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