News tagged with heart

Related topics: heart attack , heart failure , heart disease , heart muscle , patients

Polypill increases adherence to post MI treatment

A new polypill increases adherence to treatment following a myocardial infarction (MI), according to results from the FOCUS Study presented for the first time at ESC Congress 2014 today by principal investigator ...

19 hours ago
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Time to take notice and tackle heart failure

Experts have sounded a call to action for policy makers at local, national, and international levels to promote heart failure prevention, improve heart failure awareness among healthcare professionals, ensure ...

14 hours ago
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Hopes dashed for an agent to prevent reperfusion injury

The administration of an experimental agent known as TRO40303 to patients who have had a heart attack, with the hope of preventing tissue damage when impaired blood flow is corrected (reperfusion), was disappointingly ineffective ...

17 hours ago
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Serelaxin reduces in-hospital worsening heart failure

Serelaxin reduces the occurrence of in-hospital worsening heart failure by almost half in patients admitted for acute heart failure, according to the RELAX-AHF trial. The results were presented for the first time today at ...

19 hours ago
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Heart

The heart is a muscular organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods. The term cardiac (as in cardiology) means "related to the heart" and comes from the Greek καρδιά, kardia, for "heart."

The heart of a vertebrate is composed of cardiac muscle, an involuntary striated muscle tissue which is found only within this organ. The average human heart, beating at 72 beats per minute, will beat approximately 2.5 billion times during a lifetime (about 66 years). It weighs on average 250 g to 300 g in females and 300 g to 350 g in males.

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