What is intracranial atherosclerosis? Intracranial simply means âinside the skull.â Atherosclerosis is a hardening of the arteries. So, intracranial atherosclerosis is a narrowing and hardening of the arteries in the skull. Generally there are no symptoms until the arteries are so clogged with plaque that blood can no longer flow through them.
According to Baby Center, is possible to hear the baby's heartbeat at about 8 weeks via ultrasound. A fetus's heartbeat begins at about 6 weeks gestation.
In pulsatile tinnitus, people hear something resembling their heartbeat in their ear. Pulsatile tinnitus is usually due to a small blood vessel that is coupled by fluid to your ear drum. It is usually nothing serious and also untreatable.