A study led by bioengineers at the University of California San Diego sheds new light on how a type of heart valve disease, called aortic valve stenosis, progresses differently in males and females.

A heartbeat is generated by an electrical impulse from the sinus node, a small area at the top of the right atrium that causes both upper chambers (atria) to contract. The impulse is then passed ...

A sinus infection is inflammation of the sinuses, which are the air spaces around your nose, eyes, cheeks, and forehead. It is also called sinusitis. When the sinuses are inflamed, drainage is blocked ...

ABSTRACT: Background and objective: Coronary aneurysms remain a rare pathology of the coronary vessels, with multiple etiologies and dramatic complications. The majority of patients remain ...

“Several people have confirmed that Valve is aiming to release new standalone, wireless VR headset (codename Deckard) by the end of 2025. The current price for the full bundle is set to be $120 ...

Other kinds of headaches that keep coming back, such as migraines or tension headaches, are often mistaken for sinus headaches. Because the treatment you need depends on the type of headache you ...

Sinus arrhythmia is a natural and periodic variation in the heart’s rhythm and represents a normally functioning heart. In a normal sinus rhythm, the time between heartbeats is equal, which can be ...

BOSTON, MA—Patients with heart failure and mildly reduced or preserved ejection fraction (HFmrEF/HFpEF) and elevated left atrial pressures appear to derive lasting benefits from a shunt that diverts ...

In this report, we describe the clinical and surgical findings of a patient with early Stanford type A acute aortic dissection four weeks after primary coronary artery bypass ... in left precordial ...

Coronary computed tomography angiography (CCTA) is a noninvasive 3D imaging test that identifies plaque and blockages or narrowing (stenosis) of the coronary arteries. During the test, a dye is ...

Most coronary blood vessels of the heart develop from two different progenitor sources—the endocardium (Endo) and sinus venosus (SV)—but whether transcriptional or functional differences related to ...

Nasal and sinus cancer are rare types of head and neck cancer that develop inside the nose or paranasal sinuses. The space inside the nose is called the nasal cavity. This space warms, moistens and ...