Why do I constantly hear a pulse in my ears?

Hearing a constant pulse in your ears, known as pulsatile tinnitus, can be caused by various factors, including blood flow changes in the vessels near your ears, high blood pressure, or an ear infection. It may also result from exposure to loud noises, earwax buildup, or other underlying health issues. If this sensation persists or is bothersome, it's advisable to consult a healthcare professional for a proper evaluation and potential treatment options.