title: Relationships between psychological factors and cardiac rhythm and electrical disturbances.
mesh_terms: D001143:Arousal; D001145:Arrhythmias, Cardiac / Q000209:etiology*; D005221:Fatigue / Q000150:complications; D005260:Female; D006327:Heart Block / Q000209:etiology; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D012063:Relaxation; D013315:Stress, Psychological