[The cardiological manifestations of the obstructive sleep apnea syndrome. Clinical cases].

Two cases of sick sinus syndrome with asystole in patients with obstructive sleep apnea syndrome are reported. Management of such patients using CPAP therapy is detailed. The apnea symptoms and somnological history are important in evaluation of the condition of patients with sleep cardiac arrhythmia especially in patients with day sleepiness, night snore and obesity.