Explore: Sinus

Look up sinus or Sinus in Wiktionary, the free dictionary. Sinus may refer to: a sac in front of body worn into a toga, in the typical style of wearing

frontal sinuses are above the eyes; the ethmoidal sinuses are between the eyes, and the sphenoidal sinuses are behind the eyes. The sinuses are named

A sinus rhythm is any cardiac rhythm in which depolarisation of the cardiac muscle begins at the sinus node. It is necessary, but not sufficient, for normal

Sinus tachycardia is a sinus rhythm of the heart, with an increased rate of electrical discharge from the sinoatrial node, resulting in a tachycardia,

Sinus node dysfunction (SND), also known as sick sinus syndrome (SSS), is a group of abnormal heart rhythms (arrhythmias) usually caused by a malfunction

An aortic sinus, also known as a sinus of Valsalva, is one of the anatomic dilations of the ascending aorta, which occurs just above the aortic valve.

system. Generally, these classifications involve the broad categories of sinus node dysfunction, atrioventricular block, and other conduction tissue diseases

barosinusitis, sinus squeeze or sinus barotrauma is a painful inflammation and sometimes bleeding of the membrane of the paranasal sinus cavities, normally

Sinus bradycardia is a sinus rhythm with a reduced rate of electrical discharge from the sinoatrial node, resulting in a bradycardia, a heart rate that

sinus is a sac or cavity in any organ or tissue, or an abnormal cavity or passage. In common usage, "sinus" usually refers to the paranasal sinuses,