Patients with a headache in the early days often intermittent attacks, a throb of pain and pain, the attack continued for a few minutes or every few hours.
患者的头痛在早期常为间歇性发作，呈搏动性疼痛和胀痛，每次发作持续数分钟或数小时。
2
At a subsequent syncopal attack, 24 hours ambulatory ECG was repeated and found intermittent complete atrioventricular block with prolonged ventricular asystole up to 19.4 SEC.