[Symptoms during sleep among patients with obstructive sleep apnea].

Background: Obstructive sleep apnea syndrome (OSAS) is a frequent sleep-related breathing disorder being associated with cardiovascular, metabolic and neurobehavioral consequences. Most patients with OSAS are untreated because they are not timely diagnosed.

Aim: to determine the association of sleep symptoms and body mass index in patients with OSAS diagnosed by polysomnography.

[Bradycardia during epileptic seizures: report of two patients].

Cardiac rate and rhythm due to autonomic activation, may occur during epileptic seizures. They are probably a consequence of the spreading seizure activity to structures involved in the autonomic control of cardiac rhythm. Sinus tachycardia is the most frequent finding (90%).