| Health / Medical Topics |
Sinus Node Dysfunction
A derangement in the normal functioning of the sinoatrial node. Typically, SA node dysfunction is manifest as sinoatrial exit block or sinus arrest, but may present as an absolute or relative bradycardia in the presence of a stressor. It may be associated with bradycardia-tachycardia syndrome (NCI Thesaurus)
YOU MAY ALSO LIKE
A rare non-neoplastic disorder of unknown etiology characterized by distention of the lymph node sinuses and sinusoidal histiocytic infiltration. The histiocytes characteristically…
Increased numbers and/or size of sinus histiocytes in nodes.
A morphologic finding indicating the presence of histiocytic infiltrates within distended lymph node sinuses.
An electrocardiographic finding of abnormally slow heart rate with its origin in the sinus node. Thresholds for different age, gender, and patient…
A disorder characterized by an electrocardiographic finding of abnormally slow heart rate with its origin in the sinus node. Thresholds for different…
An electrocardiographic finding in which the sinus rate fluctuates with the respiratory cycle.
