Diseases, Conditions, Syndromes

Prurigo nodularis associated with mental health disorders

(HealthDay)—Prurigo nodularis (PN) is associated with mental health disorders, systemic illnesses, and HIV infection, according to a study published online Aug. 15 in the Journal of Investigative Dermatology.

Cardiology

Cheap combo pill cuts heart, stroke risks, study finds

A cheap daily pill that combines four drugs cut the risk of heart attacks, strokes and heart failure in a large study, suggesting it could be a good way to help prevent heart problems especially in poor countries.

Medications

Serelaxin does not lower CV death in acute heart failure

(HealthDay)—An infusion of serelaxin does not result in a lower incidence of death from cardiovascular causes or worsening of heart failure among patients hospitalized for acute heart failure, according to a study published ...

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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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