which clinical finding is considered a diagnostic indicator for an arteriovenous malformation (avm)?

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25-10-2022
Medicine

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which clinical finding is considered a diagnostic indicator for an arteriovenous malformation (avm)?

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contexto1212 contexto1212 · Answer 1 · 2022-10-29T17:23:12+02:00

Systolic bruit over the carotid artery is considered a diagnostic indicator for an AVM

These auscultatory sounds can come from the heart (cardiac valvular murmurs that radiate to the neck), the cervical arteries (carotid artery bruits), the cervical veins (cervical venous hum), or arteriovenous (AV) connections (intracranial AV malformations) in the head and neck. These sounds can indicate underlying pathology (such as a carotid artery bruit caused by atherosclerotic stenosis in an adult) or they can be harmless normal findings. Because a more significant percentage of our population lives longer, physicians encounter arterial occlusive disease more frequently, making head and neck noises even more critical in today's world.

Thus, AVM is almost always identified by a systolic bruit over the carotid in the neck, the mastoid process, or (in young people) the eyeball. The systolic bruit is more indicative than the other options.