Persistent intracranial murmur

Introduction Continuous intracranial murmur, continuous murmur like machine roaring, aggravated when the heart contracts, often affects sleep, can be heard in the forehead with a stethoscope, and the common carotid artery is pressed by the finger, and the noise is weakened or disappeared. The continuous murmur that the patient can hear is enhanced with the contraction of the heart, and the palpation of the eyeball is tremor. The auscultation in the eyeball, frontal forehead and ankle can smell the murmur and cat tremor, which are consistent with the pulse. The murmurs can significantly insomnia the patient. Compression of the ipsilateral common carotid artery can weaken or disappear the murmur.

Cause

Skull base fracture can cause damage to the cavernous sinus segment or its branches of the internal carotid artery, or damage to the artery by firearm injury, sharp injury, or rupture of the internal carotid artery wall of the sinus.

an examination

Related inspection

Brain CT examination of cerebral angiography

The continuous murmur that the patient can hear is enhanced with the contraction of the heart, and the palpation of the eyeball is tremor. The auscultation in the eyeball, frontal forehead and ankle can smell the murmur and cat tremor, which are consistent with the pulse. The murmurs can significantly insomnia the patient.

Differential diagnosis

Clinically, it needs to be differentiated from intraorbital meningioma bulging, intraorbital aneurysm and cavernous sinus thrombosis. In addition, pulsatile exophthalmos and intracranial vascular murmurs caused by other vascular malformations in the brain should be excluded, such as dural arteriovenous fistula and cerebral arteriovenous fistula.

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