What does it mean when I hear a loud, heartbeat sound in my left ear? I have this problem frequently at night and have been diagnosed with high cholesterol, high blood pressure and my father died aged 47 from atheriosclerosis. I, also, am 47 and this is frightening me.
Hearing a heart beat sound in ear which is called pulsatile or pulse synchronous Tinnitus can be an important indicator of Intracranial hypertension or any vascular abnormality like blood vessel narrowing which might be due to Atherosclerosis or Arterio-venous fistula. You may temporary relief from pulse-synchronous tinnitus by sleeping with their head elevated at a 45-degree angle.