Sinus Arrhythmia by ECG Finding

An electrocardiographic finding in which a failure of impulse formation or conduction in the sinus node produces prolongation of the P-P interval…

A cavity, space, or channel in the body. Examples include hollow spaces in the bones at the front of the skull, …

A system containing saline solution that is used to wash and clear nasal passages and sinuses and to moisten dry nasal…

A rare, highly aggressive carcinoma that arises from the sinonasal tract. It is characterized by the presence of small to medium…

An alkaloid isolated from the root of Sinomenium acutum with immunomodulatory and potential anti-angiogenic and activities. Although the mechanism of action remains…

A grayscale display of detector counts for various lines of response. These latter are located by the abscissa being their distance from…