No abstract available
MeSH terms
-
Adult
-
Aged
-
Atrioventricular Node / physiopathology*
-
Autonomic Nervous System / physiopathology*
-
Female
-
Heart Conduction System / physiopathology*
-
Heart Rate*
-
Humans
-
Male
-
Middle Aged
-
Sick Sinus Syndrome / classification
-
Sick Sinus Syndrome / physiopathology*