Achilles Tendon
Ultrasound
5 MHz LINEAR transducer -sag and transverse images -scan contralateral side aids in determining normalcy
Achilles Tendon
Large, strong fibrous tendon connects gastrocnemius and soleus muscle to the calcaneus -helps move the foot downward, push off when walking, and rise up on toes
Blood supply to Achilles
The longitudinal arteries that run length of gastrocnemius and soleus muscles
Hypoechoic Kager fat pat
Special attention must be given to the ____________. Located deep to the Achilles
Paratenon
Connective tissue sheath that surrounds the Achilles tendon
Scanning techniques
Dorisflexion and plantar flexion of the foot increase the change of imaging tear
5-6mm
Normal AP diameter of tendon
Thompsons Test
Patient kneels on the examination table with the feet hanging off, examiner squeezes the calf while observing the plantar flexion If no movement of the foot is noted, Achilles' tendon rupture is indicated
Patient prep
Position patient PRONE with foot hanging over the edge
Indications of Achilles' tendon u/s
Trauma Knot or bulge over proximal tendon Audible pop or snap followed by sharp pain Inability to stand on toes Swelling Heel pain for more than 4 weeks Decreased strength Postoperative monitoring Displacement of Kagers fat pad on radiograph