Foot Tourniquet test is an ankle examination procedure that tests for arterial insufficiency of the lower extremity.
Patient should be awake and cooperative Foot Tourniquet test.
- Patient may be seated, prone or supine during this procedure.
- The examiner takes the resting blood pressure reading of the patient and takes note of the diastolic pressure.
- The examiner uses a blood cuff to compress the ankle for up to 3 minutes. The blood pressure cuff should be inflated to 20 mmHg above the patient’s resting diastolic pressure.
- The examiner takes note of any numbness, tingling, shooting electrical pain or muscle weakness.
Positive Foot Tourniquet test
There is positive Foot Tourniquet test when there is presence of paresthesia or numbness, tingling, shooting electrical pain or muscle weakness. These symptoms must occur in less than 3 minutes of compression. These symptoms could indicate the presence of arterial insufficiency of the lower extremity.
Patients that have faulty cascading fingers could have problems with gripping or holding objects. This could affect their daily way of living. It is therefore a must to assess the grip strength of the patient as well.