Vasovagal pseudohemorrhage.
D001706:Biopsy / Q000009:adverse effects*; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D013315:Stress, Psychological; D013575:Syncope / Q000209:etiology; D013577:Syndrome; D014630:Vagus Nerve / Q000502:physiology*; D014666:Vasomotor System / Q000502:physiology*