Introduction: Vertebrobasilar syndrome is a compression of vascular origin, generating a quick vertebrobasilar insufficiency by compression of the cervical vertebral level between C1 and C7 artery. Atherosclerosis is the most common cause of this syndrome. The signs and symptoms are nausea, faintness, nystagmus, blurred vision, and dizziness, which may be manifested by neurological assessment tests.
Objective: This study aims to report a case of investigation of dizziness.
Case Report: A 53-year-old male patient (O. P. M.), hypertensive, reported vertigo 3 days ago accompanied by nausea, which worsened in the last day. The patient denies tinnitus and aural fullness. A first aid medication was performed without any improvement. He was referred to the hospital for further investigation. Laboratory tests conducted reported no change. Computed tomography showed atheromatous internal carotid and vertebral arteries. A requested ultrasound Doppler of vertebral showed occlusion of the left vertebral artery. The patient was stabilized, transferred to outpatient treatment, and the vascular surgery team followed up.
Conclusion: It is necessary to evaluate every frame of dizziness with caution, it differentiates between peripheral or central. The use of imaging and laboratory for the diagnosis can be important as well as the diagnosis and monitoring.