What Does It Mean When You Lose the Pulse in Your Ankles?

Losing the pulse in your ankles can be an early sign of a variety of serious health conditions that require professional medical attention. If the loss of a pulse is accompanied by serious trauma or acute leg swelling, seek medical attention immediately. The pulse in your ankle can be found just behind the medial malleolus, or bump on the inside of your ankle, and is made by the posterior tibial artery. This artery is one of three arteries that provide blood to the foot, making it essential for foot function and health.

Arterial Thrombosis

• Acute loss of blood flow to the lower limb may result from an embolism, or blood clot. Arterial blood clots are typically caused by trauma or tourniquet use. In the lower limb, arterial blood clots commonly form at the top of the leg, at the femoral bifurcation, or behind the knee at the popliteal trifurcation. Immediate medical attention is needed in order to prevent muscle death by restoring blood supply to the lower extremity.

Arterial Disease

• Arterial disease in the lower extremity can be caused by a variety of conditions. The Society for Vascular Surgery states that one in three people over the age of 70 have peripheral artery disease (PAD), resulting in decreased pulses in the lower extremity. PAD is caused by calcification of arterial walls. Many health factors contribute to the development of this disease, such as high cholesterol, high blood pressure, smoking and diabetes. A doctor will be able to properly diagnose PAD and provide treatment options.

Surgical Procedures

• Surgical procedures can be done to increase blood flow.

  Arterial calcification, trauma or clotting may lead to a decreased blood supply to the foot. In order to restore blood supply, a surgeon may connect two separate arteries, redirecting blood flow to vital structures. The result of this procedure is the loss of a pulse that was previously present.

Low Blood Pressure

• A blood pressure cuff can be used to diagnose low blood pressure.

  Low blood pressure, or hypotension, can make it very difficult to feel pulses, especially in the ankles. Dehydration, blood loss and medications are all common causes of low blood pressure that can be treated. Low blood pressure is often accompanied by dizziness, especially when standing up from a seated position. The first step in treatment of this condition is replacement of fluids, typically by drinking water if the patient is able. If the condition persists, seek professional medical advice.