6.7.2 Angiography headache

Clinical History: The patient underwent cerebral angiography due to suspected intracranial aneurysm following an episode of sudden and severe headache. The procedure was performed without apparent complications, using iodinated contrast. Approximately 2 hours after the examination, the patient began to complain of intense, bifrontal, pulsatile headache. There were no signs of focal neurological deficit, fever, or neck stiffness. Physical and Neurological Examination: Blood pressure: 130/85 mmHg. Heart rate: 78 bpm. Neurological examination without abnormalities (level of consciousness preserved, pupils isocoric and reactive to light, no motor or sensory deficits). Fundoscopy: no papilledema or other abnormalities. Complementary Examinations: Non-contrast cranial CT: no signs of hemorrhage, edema, or expansive lesions.