I have swishing sound in my left ear that goes together with heartbeat. It stops while I put pressure on vein under left ear. Should I be concerned?

Pulsatile tinnitus, Can be related to vein or artery.. Can be due to hypertension, high blood pressure in blood vessels, malformation of large arteries and veins in the regions of neck, or smaller blood vessels inside the auditory area and adjacent to the base of the skull.Usually undergo special imaging techniques: ultrasound, magnetic resonance scanning (mri), ct scanning mr angiography etc., see ENT dr. Or neuro dr.